diff --git a/nbconvert/exporters/script.py b/nbconvert/exporters/script.py
index d44301ded..c9986289d 100644
--- a/nbconvert/exporters/script.py
+++ b/nbconvert/exporters/script.py
@@ -18,7 +18,7 @@ class ScriptExporter(TemplateExporter):
 
     @default('template_file')
     def _template_file_default(self):
-        return 'script.tpl'
+        return 'script.j2'
 
     @default('template_name')
     def _template_name_default(self):
diff --git a/nbconvert/exporters/tests/test_latex.py b/nbconvert/exporters/tests/test_latex.py
index 445d23f47..b9f5ab64c 100644
--- a/nbconvert/exporters/tests/test_latex.py
+++ b/nbconvert/exporters/tests/test_latex.py
@@ -53,23 +53,6 @@ def test_export_book(self):
         assert len(output) > 0
 
 
-    @onlyif_cmds_exist('pandoc')
-    def test_export_basic(self):
-        """
-        Can a LatexExporter export using 'article' template?
-        """
-        (output, resources) = LatexExporter(template_file='article').from_filename(self._get_notebook())
-        assert len(output) > 0
-
-
-    @onlyif_cmds_exist('pandoc')
-    def test_export_article(self):
-        """
-        Can a LatexExporter export using 'article' template?
-        """
-        (output, resources) = LatexExporter(template_file='article').from_filename(self._get_notebook())
-        assert len(output) > 0
-
     @onlyif_cmds_exist('pandoc')
     def test_very_long_cells(self):
         """
@@ -104,7 +87,7 @@ def test_very_long_cells(self):
             with open(nbfile, 'w') as f:
                 write(nb, f, 4)
 
-            (output, resources) = LatexExporter(template_file='article').from_filename(nbfile)
+            (output, resources) = LatexExporter().from_filename(nbfile)
             assert len(output) > 0
 
     @onlyif_cmds_exist('pandoc')
@@ -133,7 +116,7 @@ def test_prompt_number_color_ipython(self):
         """
         my_loader_tplx = DictLoader({'my_template': 
             """
-            ((* extends 'style_ipython.tplx' *))
+            ((* extends 'style_ipython.tex' *))
 
             ((* block docclass *))
             \documentclass[11pt]{article}
@@ -184,7 +167,7 @@ def test_in_memory_template_tplx(self):
         # Loads in an in memory latex template (.tplx) using jinja2.DictLoader
         # creates a class that uses this template with the template_file argument
         # converts an empty notebook using this mechanism
-        my_loader_tplx = DictLoader({'my_template': "{%- extends 'article' -%}"})
+        my_loader_tplx = DictLoader({'my_template': "{%- extends 'index' -%}"})
 
         class MyExporter(LatexExporter):
             template_file = 'my_template'
diff --git a/share/jupyter/nbconvert/templates/asciidoc/index.asciidoc b/share/jupyter/nbconvert/templates/asciidoc/index.asciidoc
index 8f32c4a6e..1512a2daa 100644
--- a/share/jupyter/nbconvert/templates/asciidoc/index.asciidoc
+++ b/share/jupyter/nbconvert/templates/asciidoc/index.asciidoc
@@ -1,4 +1,4 @@
-{% extends 'display_priority.tpl' %}
+{% extends 'display_priority.j2' %}
 
 
 {% block input %}
diff --git a/share/jupyter/nbconvert/templates/base/base.html b/share/jupyter/nbconvert/templates/base/base.html
index 8da1d7a21..d428c1aac 100644
--- a/share/jupyter/nbconvert/templates/base/base.html
+++ b/share/jupyter/nbconvert/templates/base/base.html
@@ -1,4 +1,4 @@
-{%- extends 'display_priority.tpl' -%}
+{%- extends 'display_priority.j2' -%}
 
 
 {% block codecell %}
diff --git a/share/jupyter/nbconvert/templates/base/display_priority.tpl b/share/jupyter/nbconvert/templates/base/display_priority.j2
similarity index 98%
rename from share/jupyter/nbconvert/templates/base/display_priority.tpl
rename to share/jupyter/nbconvert/templates/base/display_priority.j2
index ec4d58a87..beaa196a5 100644
--- a/share/jupyter/nbconvert/templates/base/display_priority.tpl
+++ b/share/jupyter/nbconvert/templates/base/display_priority.j2
@@ -1,4 +1,4 @@
-{%- extends 'null.tpl' -%}
+{%- extends 'null.j2' -%}
 
 {#display data priority#}
 
diff --git a/share/jupyter/nbconvert/templates/base/null.tpl b/share/jupyter/nbconvert/templates/base/null.j2
similarity index 100%
rename from share/jupyter/nbconvert/templates/base/null.tpl
rename to share/jupyter/nbconvert/templates/base/null.j2
diff --git a/share/jupyter/nbconvert/templates/lab/base.html b/share/jupyter/nbconvert/templates/lab/base.html
index 4becfce0e..7bcc13358 100644
--- a/share/jupyter/nbconvert/templates/lab/base.html
+++ b/share/jupyter/nbconvert/templates/lab/base.html
@@ -1,4 +1,4 @@
-{%- extends 'display_priority.tpl' -%}
+{%- extends 'display_priority.j2' -%}
 
 {% block codecell %}
 {%- if not cell.outputs -%}
diff --git a/share/jupyter/nbconvert/templates/latex/article.tex b/share/jupyter/nbconvert/templates/latex/article.tex
deleted file mode 100644
index 8588c850c..000000000
--- a/share/jupyter/nbconvert/templates/latex/article.tex
+++ /dev/null
@@ -1,17 +0,0 @@
-
-((=- Default to the notebook output style -=))
-((* if not cell_style is defined *))
-    ((* set cell_style = 'style_jupyter.tplx' *))
-((* endif *))
-
-((=- Inherit from the specified cell style. -=))
-((* extends cell_style *))
-
-
-%===============================================================================
-% Latex Article
-%===============================================================================
-
-((* block docclass *))
-\documentclass[11pt]{article}
-((* endblock docclass *))
diff --git a/share/jupyter/nbconvert/templates/latex/base.tex b/share/jupyter/nbconvert/templates/latex/base.tex
index 74cd65e84..b39dbee18 100644
--- a/share/jupyter/nbconvert/templates/latex/base.tex
+++ b/share/jupyter/nbconvert/templates/latex/base.tex
@@ -3,7 +3,7 @@
 functions.  Figures, data_text,
 This template does not define a docclass, the inheriting class must define this.=))
 
-((*- extends 'document_contents.tplx' -*))
+((*- extends 'document_contents.tex' -*))
 
 %===============================================================================
 % Abstract overrides
diff --git a/share/jupyter/nbconvert/templates/latex/display_priority.tplx b/share/jupyter/nbconvert/templates/latex/display_priority.j2
similarity index 98%
rename from share/jupyter/nbconvert/templates/latex/display_priority.tplx
rename to share/jupyter/nbconvert/templates/latex/display_priority.j2
index 3b9f7001d..9f33a74e1 100644
--- a/share/jupyter/nbconvert/templates/latex/display_priority.tplx
+++ b/share/jupyter/nbconvert/templates/latex/display_priority.j2
@@ -2,7 +2,7 @@
     To edit this file, please refer to ../../skeleton/README.md =))
 
 
-((*- extends 'null.tplx' -*))
+((*- extends 'null.j2' -*))
 
 ((=display data priority=))
 
diff --git a/share/jupyter/nbconvert/templates/latex/document_contents.tplx b/share/jupyter/nbconvert/templates/latex/document_contents.tex
similarity index 98%
rename from share/jupyter/nbconvert/templates/latex/document_contents.tplx
rename to share/jupyter/nbconvert/templates/latex/document_contents.tex
index 24f969596..5e0fa7881 100644
--- a/share/jupyter/nbconvert/templates/latex/document_contents.tplx
+++ b/share/jupyter/nbconvert/templates/latex/document_contents.tex
@@ -1,4 +1,4 @@
-((*- extends 'display_priority.tplx' -*))
+((*- extends 'display_priority.j2' -*))
 
 %===============================================================================
 % Support blocks
diff --git a/share/jupyter/nbconvert/templates/latex/index.tex b/share/jupyter/nbconvert/templates/latex/index.tex
index 1edecbf30..e01e6ada2 100644
--- a/share/jupyter/nbconvert/templates/latex/index.tex
+++ b/share/jupyter/nbconvert/templates/latex/index.tex
@@ -1 +1,17 @@
-((* extends 'article.tex' *))
+
+((=- Default to the notebook output style -=))
+((* if not cell_style is defined *))
+    ((* set cell_style = 'style_jupyter.tex' *))
+((* endif *))
+
+((=- Inherit from the specified cell style. -=))
+((* extends cell_style *))
+
+
+%===============================================================================
+% Latex Article
+%===============================================================================
+
+((* block docclass *))
+\documentclass[11pt]{article}
+((* endblock docclass *))
diff --git a/share/jupyter/nbconvert/templates/latex/null.tplx b/share/jupyter/nbconvert/templates/latex/null.j2
similarity index 100%
rename from share/jupyter/nbconvert/templates/latex/null.tplx
rename to share/jupyter/nbconvert/templates/latex/null.j2
diff --git a/share/jupyter/nbconvert/templates/latex/report.tex b/share/jupyter/nbconvert/templates/latex/report.tex
index 1ade514c5..3ddcc7b7c 100644
--- a/share/jupyter/nbconvert/templates/latex/report.tex
+++ b/share/jupyter/nbconvert/templates/latex/report.tex
@@ -1,7 +1,7 @@
 
 % Default to the notebook output style
 ((* if not cell_style is defined *))
-    ((* set cell_style = 'style_ipython.tplx' *))
+    ((* set cell_style = 'style_ipython.tex' *))
 ((* endif *))
 
 % Inherit from the specified cell style.
diff --git a/share/jupyter/nbconvert/templates/latex/style_bw_ipython.tplx b/share/jupyter/nbconvert/templates/latex/style_bw_ipython.tex
similarity index 100%
rename from share/jupyter/nbconvert/templates/latex/style_bw_ipython.tplx
rename to share/jupyter/nbconvert/templates/latex/style_bw_ipython.tex
diff --git a/share/jupyter/nbconvert/templates/latex/style_bw_python.tplx b/share/jupyter/nbconvert/templates/latex/style_bw_python.tex
similarity index 100%
rename from share/jupyter/nbconvert/templates/latex/style_bw_python.tplx
rename to share/jupyter/nbconvert/templates/latex/style_bw_python.tex
diff --git a/share/jupyter/nbconvert/templates/latex/style_ipython.tplx b/share/jupyter/nbconvert/templates/latex/style_ipython.tex
similarity index 100%
rename from share/jupyter/nbconvert/templates/latex/style_ipython.tplx
rename to share/jupyter/nbconvert/templates/latex/style_ipython.tex
diff --git a/share/jupyter/nbconvert/templates/latex/style_jupyter.tplx b/share/jupyter/nbconvert/templates/latex/style_jupyter.tex
similarity index 100%
rename from share/jupyter/nbconvert/templates/latex/style_jupyter.tplx
rename to share/jupyter/nbconvert/templates/latex/style_jupyter.tex
diff --git a/share/jupyter/nbconvert/templates/latex/style_python.tplx b/share/jupyter/nbconvert/templates/latex/style_python.tex
similarity index 100%
rename from share/jupyter/nbconvert/templates/latex/style_python.tplx
rename to share/jupyter/nbconvert/templates/latex/style_python.tex
diff --git a/share/jupyter/nbconvert/templates/markdown/index.md b/share/jupyter/nbconvert/templates/markdown/index.md
index ce694d710..8906eff87 100644
--- a/share/jupyter/nbconvert/templates/markdown/index.md
+++ b/share/jupyter/nbconvert/templates/markdown/index.md
@@ -1,4 +1,4 @@
-{% extends 'display_priority.tpl' %}
+{% extends 'display_priority.j2' %}
 
 
 {% block in_prompt %}
diff --git a/share/jupyter/nbconvert/templates/python/index.py b/share/jupyter/nbconvert/templates/python/index.py
index eed2f923f..a09fe9d1f 100644
--- a/share/jupyter/nbconvert/templates/python/index.py
+++ b/share/jupyter/nbconvert/templates/python/index.py
@@ -1,4 +1,4 @@
-{%- extends 'null.tpl' -%}
+{%- extends 'null.j2' -%}
 
 {%- block header -%}
 #!/usr/bin/env python
diff --git a/share/jupyter/nbconvert/templates/rst/index.rst b/share/jupyter/nbconvert/templates/rst/index.rst
index bf070c1b9..bda5c5fb9 100644
--- a/share/jupyter/nbconvert/templates/rst/index.rst
+++ b/share/jupyter/nbconvert/templates/rst/index.rst
@@ -1,4 +1,4 @@
-{%- extends 'display_priority.tpl' -%}
+{%- extends 'display_priority.j2' -%}
 
 
 {% block in_prompt %}
diff --git a/share/jupyter/nbconvert/templates/script/script.tpl b/share/jupyter/nbconvert/templates/script/script.j2
similarity index 68%
rename from share/jupyter/nbconvert/templates/script/script.tpl
rename to share/jupyter/nbconvert/templates/script/script.j2
index cbd971d06..3b30ea89e 100644
--- a/share/jupyter/nbconvert/templates/script/script.tpl
+++ b/share/jupyter/nbconvert/templates/script/script.j2
@@ -1,4 +1,4 @@
-{%- extends 'null.tpl' -%}
+{%- extends 'null.j2' -%}
 
 {% block input %}
 {{ cell.source }}