diff --git a/Makefile b/Makefile
index bb32340..645d631 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ JSLINT_DIRS ?= trunk vkfox-52
 
 jslint: $(shell find $(JSLINT_DIRS) -name '*.js')
 
-%.js :
+%.js: force
 	@echo "$*.js"
 	@jslint --predef=jQuery,swfobject \
 		--bitwise \
@@ -17,3 +17,5 @@ jslint: $(shell find $(JSLINT_DIRS) -name '*.js')
 		--sub \
 		--white \
 		$*.js
+
+.PHONY: force