diff --git a/Makefile b/Makefile
index 8479a118a..0a45f5d85 100644
--- a/Makefile
+++ b/Makefile
@@ -64,7 +64,7 @@ all: clean $(TESTS_TARGET) $(CHECK_TARGETS)
 
 $(JERRY_TARGETS) $(TESTS_TARGET) $(PARSER_TESTS_TARGET) $(FLASH_TARGETS) $(CHECK_TARGETS):
 	@echo $@
-	@$(MAKE) -f Makefile.mak TARGET=$@ $@
+	@$(MAKE) -f Makefile.mk TARGET=$@ $@
 
 clean:
 	rm -rf $(OUT_DIR)
diff --git a/Makefile.mak b/Makefile.mk
similarity index 100%
rename from Makefile.mak
rename to Makefile.mk