diff --git a/contrib/diff-highlight/Makefile b/contrib/diff-highlight/Makefile
index fbf5c58249..f2be7cc924 100644
--- a/contrib/diff-highlight/Makefile
+++ b/contrib/diff-highlight/Makefile
@@ -17,4 +17,7 @@ shebang.perl: FORCE
 test: all
 	$(MAKE) -C t
 
+clean:
+	$(RM) diff-highlight
+
 .PHONY: FORCE