diff --git a/cmd/callgraph/main_test.go b/cmd/callgraph/main_test.go
index d5aa3230a5..1d286193a0 100644
--- a/cmd/callgraph/main_test.go
+++ b/cmd/callgraph/main_test.go
@@ -5,6 +5,7 @@
 // No testdata on Android.
 
 // +build !android
+// +build go1.11
 
 package main