diff --git a/plugin/webdevicons.vim b/plugin/webdevicons.vim
index 596ec68..4624c3d 100644
--- a/plugin/webdevicons.vim
+++ b/plugin/webdevicons.vim
@@ -188,6 +188,7 @@ function! s:setDictionaries()
         \ 'rb'       : '',
         \ 'gemspec'  : '',
         \ 'rake'     : '',
+        \ 'cr'       : '',
         \ 'php'      : '',
         \ 'py'       : '',
         \ 'pyc'      : '',
diff --git a/test/filetype.vim b/test/filetype.vim
index f070a0a..ee6fe4e 100644
--- a/test/filetype.vim
+++ b/test/filetype.vim
@@ -29,6 +29,17 @@ function! s:suite.__OneArgument_RubyIcon__()
   endfor
 endfunction
 
+function! s:suite.__OneArgument_CrystalIcon__()
+  let targetfilenames = ['test.cr']
+  let expecticon = ''
+  let child = themis#suite('OneArgument_CrystalIcon')
+
+  for targetfilename in targetfilenames
+    let child[targetfilename] = funcref('s:Assert', [targetfilename, expecticon])
+  endfor
+endfunction
+
+
 function! s:suite.__OneArgument_MarkDownIcon__()
   let targetfilenames = ['test.md', 'test.markdown', 'test.mdx', 'test.rmd']
   let expecticon = ''