diff --git a/lib/web3/filter.js b/lib/web3/filter.js
index 0361aa0..e340d7b 100644
--- a/lib/web3/filter.js
+++ b/lib/web3/filter.js
@@ -90,9 +90,11 @@ var getLogsAtStart = function(self, callback){
                 callback(err);
             }
 
-            messages.forEach(function (message) {
-                callback(null, message);
-            });
+            if(utils.isArray(messages)) {
+                messages.forEach(function (message) {
+                    callback(null, message);
+                });
+            }
         });
     }
 };