diff --git a/api/server/server.go b/api/server/server.go
index 33faf35ba..73002ee95 100644
--- a/api/server/server.go
+++ b/api/server/server.go
@@ -212,7 +212,7 @@ func (s *Server) startGears(ctx context.Context) {
 		logrus.WithError(err).Fatalln("Failed to serve functions API.")
 	}
 
-	runHeader := `
+	const runHeader = `
      ____                  __
     / __ \_________ ______/ /__
    / / / / ___/ __ / ___/ / _  \
diff --git a/fn/apps.go b/fn/apps.go
index bca6f2a50..729637a2f 100644
--- a/fn/apps.go
+++ b/fn/apps.go
@@ -145,7 +145,7 @@ func (a *appsCmd) create(c *cli.Context) error {
 		return fmt.Errorf("unexpected error: %v", err)
 	}
 
-	createHeader := `  
+	const createHeader = `  
    ____                  __                      
   / __ \_________ ______/ /__                    
  / / / / ___/ __ / ___/ / _ \