diff --git a/builtin/providers/aws/structure_test.go b/builtin/providers/aws/structure_test.go
index 2f45d643c9..ace216e6b2 100644
--- a/builtin/providers/aws/structure_test.go
+++ b/builtin/providers/aws/structure_test.go
@@ -121,9 +121,7 @@ func TestexpandIPPerms(t *testing.T) {
 }
 
 func TestExpandIPPerms_NegOneProtocol(t *testing.T) {
-	hash := func(v interface{}) int {
-		return hashcode.String(v.(string))
-	}
+	hash := schema.HashString
 
 	expanded := []interface{}{
 		map[string]interface{}{