diff --git a/test/fixedbugs/bug337.go b/test/fixedbugs/bug337.go
index 62e310e725f..ca9b4b45369 100644
--- a/test/fixedbugs/bug337.go
+++ b/test/fixedbugs/bug337.go
@@ -14,6 +14,6 @@
 package main
 
 func main() {
-	len("foo")	// ERROR "len"
+	len("foo")	// ERROR "len|value computed is not used"
 }