--- a/QScintilla/Lexers/__init__.py	Fri Apr 13 18:54:55 2018 +0200
+++ b/QScintilla/Lexers/__init__.py	Fri Apr 13 18:56:08 2018 +0200
@@ -468,7 +468,7 @@
             'Diff Files (*.diff *.patch)'),
         QCoreApplication.translate(
             'Lexers',
-            'Makefiles (*.mak)'),
+            'Makefiles (*makefile Makefile *.mak)'),
         QCoreApplication.translate(
             'Lexers',
             'Properties Files (*.properties *.ini *.inf *.reg *.cfg'