diff --git a/setup.cfg b/setup.cfg
index 8b8f283..c41386b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,3 +3,9 @@ universal=1
 [flake8]
 max-line-length=120
 ignore: E301, E302, E305, E401, E226, F841
+[coverage:run]
+omit =
+    signxml/__pyinstaller/*
+[options.entry_points]
+pyinstaller40 =
+  hook-dirs = signxml.__pyinstaller:get_hook_dirs
diff --git a/signxml/__pyinstaller/__init__.py b/signxml/__pyinstaller/__init__.py
new file mode 100644
index 0000000..75adcb3
--- /dev/null
+++ b/signxml/__pyinstaller/__init__.py
@@ -0,0 +1,10 @@
+"""
+This file indicates that this directory contains the hooks to include the schema files on the final version
+if it's compiled with pyinstaller.
+"""
+
+import os
+
+
+def get_hook_dirs():
+    return [os.path.dirname(__file__)]
diff --git a/signxml/__pyinstaller/hook-signxml.py b/signxml/__pyinstaller/hook-signxml.py
new file mode 100644
index 0000000..afdf732
--- /dev/null
+++ b/signxml/__pyinstaller/hook-signxml.py
@@ -0,0 +1,5 @@
+"""Hook for pyinstaller to include the files are signxml/schemas/* into the final build."""
+
+from PyInstaller.utils.hooks import collect_data_files
+
+datas = collect_data_files('signxml', excludes=['__pyinstaller'])
diff --git a/signxml/util/__init__.py b/signxml/util/__init__.py
index d385857..4f46e34 100644
--- a/signxml/util/__init__.py
+++ b/signxml/util/__init__.py
@@ -133,7 +133,7 @@ class XMLProcessor:
     @classmethod
     def schema(cls):
         if cls._schema is None:
-            schema_path = os.path.join(os.path.dirname(__file__), "..", "schemas", cls.schema_file)
+            schema_path = os.path.normpath(os.path.join(os.path.dirname(__file__), "..", "schemas", cls.schema_file))
             cls._schema = etree.XMLSchema(etree.parse(schema_path))
         return cls._schema