diff --git a/src/Ui/media/Wrapper.coffee b/src/Ui/media/Wrapper.coffee
index 15fee02d..094b830b 100644
--- a/src/Ui/media/Wrapper.coffee
+++ b/src/Ui/media/Wrapper.coffee
@@ -33,7 +33,7 @@ class Wrapper
 				$("#inner-iframe").attr("src", src)
 
 		window.onpopstate = (e) =>
-			@sendInner {"cmd": "wrapperPopstate", "result": {"href": document.location.href, "state": e.state}}
+			@sendInner {"cmd": "wrapperPopState", "params": {"href": document.location.href, "state": e.state}}
 
 		$("#inner-iframe").focus()
 
diff --git a/src/Ui/media/all.js b/src/Ui/media/all.js
index a6e66a73..7fc7465a 100644
--- a/src/Ui/media/all.js
+++ b/src/Ui/media/all.js
@@ -796,8 +796,8 @@ jQuery.extend( jQuery.easing,
       window.onpopstate = (function(_this) {
         return function(e) {
           return _this.sendInner({
-            "cmd": "wrapperPopstate",
-            "result": {
+            "cmd": "wrapperPopState",
+            "params": {
               "href": document.location.href,
               "state": e.state
             }