diff --git a/ionic/components/nav/nav-controller.ts b/ionic/components/nav/nav-controller.ts
index 6081d33e8e..0ef0f998e5 100644
--- a/ionic/components/nav/nav-controller.ts
+++ b/ionic/components/nav/nav-controller.ts
@@ -232,7 +232,9 @@ export class NavController extends Ion {
    */
   push(componentType, params = {}, opts = {}, callback) {
     if (!componentType) {
-      return Promise.reject('invalid componentType to push');
+      let errMsg = 'invalid componentType to push';
+      console.error(errMsg)
+      return Promise.reject(errMsg);
     }
 
     if (typeof componentType !== 'function') {
diff --git a/ionic/components/overlay/overlay-controller.ts b/ionic/components/overlay/overlay-controller.ts
index dc8289efd5..d38b150911 100644
--- a/ionic/components/overlay/overlay-controller.ts
+++ b/ionic/components/overlay/overlay-controller.ts
@@ -43,7 +43,9 @@ export class OverlayController {
       } else {
         reject();
       }
-    })
+    }, rejectReason => {
+      console.error(rejectReason);
+    });
 
     return promise;
   }