diff --git a/lib/api/middlewares/pubsub-metrics.js b/lib/api/middlewares/pubsub-metrics.js
index c0d75552..c1655faf 100644
--- a/lib/api/middlewares/pubsub-metrics.js
+++ b/lib/api/middlewares/pubsub-metrics.js
@@ -48,7 +48,7 @@ function normalizedField (field) {
     if (!field) {
         return undefined;
     }
-    
+
     return field.toString().trim().substr(0, MAX_LENGTH);
 }