diff --git a/plop-templates/utils.js b/plop-templates/utils.js
index 0310ca02..5196a1a8 100644
--- a/plop-templates/utils.js
+++ b/plop-templates/utils.js
@@ -1,6 +1,6 @@
 exports.notEmpty = name => {
   return v => {
-    if (!v || v.trim === '') {
+    if (!v || v.trim() === '') {
       return `${name} is required`
     } else {
       return true