diff --git a/test/trim-src/Makefile b/test/trim-src/Makefile
index 0ed9934..f725694 100644
--- a/test/trim-src/Makefile
+++ b/test/trim-src/Makefile
@@ -18,5 +18,5 @@ clean.test:
 clean: clean.test
 
 help:
-	python $(EXE) -h
-	python $(EXE) beautify -h
+	python2 $(EXE) -h
+	python2 $(EXE) beautify -h