diff --git a/keycloak.js b/keycloak.js
index 101233f9..fc94f11e 100644
--- a/keycloak.js
+++ b/keycloak.js
@@ -327,7 +327,10 @@ Keycloak.prototype.getGrant = function (request, response) {
         self.storeGrant(grant, request, response)
         return grant
       })
-      .catch(() => { return Promise.reject(new Error('Could not store grant code error')) })
+      .catch(reason => {
+        console.error(reason)
+        return Promise.reject(new Error('Could not store grant code error'))
+      })
   }
 
   return Promise.reject(new Error('Could not obtain grant code error'))