diff --git a/hack/actions/gen/main.go b/hack/actions/gen/main.go
index 62e3364d05..89e4af296a 100644
--- a/hack/actions/gen/main.go
+++ b/hack/actions/gen/main.go
@@ -357,8 +357,9 @@ const (
 )
 
 const (
-	multiPlatforms = "linux/amd64,linux/arm64"
+	multiPlatforms = amd64Platform + "," + arm64Platform
 	amd64Platform  = "linux/amd64"
+	arm64Platform  = "linux/arm64"
 )
 
 func (data *Data) initPullRequestPaths() {