diff --git a/Makefile b/Makefile
index 87850c4..4aecc8f 100644
--- a/Makefile
+++ b/Makefile
@@ -12,9 +12,9 @@ endif
 dar := $(shell uname | grep Darwin)
 
 ifneq ($(win),)
-   include Makefile.win
+   include Makefile-win.mk
 else ifeq ($(dar),Darwin)
-   include Makefile.macosx
+   include Makefile-macosx.mk
 else
-   include Makefile.linux
+   include Makefile-linux.mk
 endif
diff --git a/Makefile.linux b/Makefile-linux.mk
similarity index 100%
rename from Makefile.linux
rename to Makefile-linux.mk
diff --git a/Makefile.macosx b/Makefile-macosx.mk
similarity index 100%
rename from Makefile.macosx
rename to Makefile-macosx.mk
diff --git a/Makefile.win b/Makefile-win.mk
similarity index 100%
rename from Makefile.win
rename to Makefile-win.mk