diff --git a/lib/index.js b/lib/index.js
index ade8a33..5e52663 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -28,7 +28,7 @@ function actionCreatorFactory(prefix, defaultIsError) {
                 action.error = true;
             }
             return action;
-        }, { type: fullType });
+        }, { type: fullType, toString: function () { return fullType; } });
     }
     function asyncActionCreators(type, commonMeta) {
         return {