diff --git a/src/go/types/api_go1.18_test.go b/src/go/types/api_go1.18_test.go
index bbbf70581d..e60fe23201 100644
--- a/src/go/types/api_go1.18_test.go
+++ b/src/go/types/api_go1.18_test.go
@@ -3,6 +3,7 @@
 // license that can be found in the LICENSE file.
 
 //go:build go1.18
+// +build go1.18
 
 package types_test