diff --git a/event-pubsub-browser.js b/event-pubsub-browser.js
index 312930f..82dae11 100644
--- a/event-pubsub-browser.js
+++ b/event-pubsub-browser.js
@@ -32,7 +32,7 @@ window.pubsub=(
                     i++
                 ){
                     params.unshift(keys[i]);
-                    this.off.call(params);
+                    this.off.apply(this,params);
                 }
             }
 
diff --git a/event-pubsub.js b/event-pubsub.js
index 11c124d..3790911 100644
--- a/event-pubsub.js
+++ b/event-pubsub.js
@@ -29,7 +29,7 @@ function unsub(type,handler){
             i++
         ){
             params.unshift(keys[i]);
-            this.off.call(params);
+            this.off.apply(this,params);
         }
     }