diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index 28d4b49670d8d0771d0c760495a4c1dc31f4b1f2..dbd9a64715144fc0b3219435b7ecdc32cd73b14c 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -864,7 +864,7 @@ function getMimeIcon(mime, ready){
 	if(getMimeIcon.cache[mime]){
 		ready(getMimeIcon.cache[mime]);
 	}else{
-		$.get( OC.filePath('files','ajax','mimeicon.php')+'?mime='+mime, function(path){
+		$.get( OC.filePath('files','ajax','mimeicon.php')+'&mime='+mime, function(path){
 			getMimeIcon.cache[mime]=path;
 			ready(getMimeIcon.cache[mime]);
 		});
diff --git a/core/js/eventsource.js b/core/js/eventsource.js
index e3ad7e3a671fc54e2d67c41ab80d99631c2e77db..7a744f7a6ce2e5d427cd34eb056c818888945cd1 100644
--- a/core/js/eventsource.js
+++ b/core/js/eventsource.js
@@ -42,7 +42,7 @@ OC.EventSource=function(src,data){
 	}
 	dataStr+='requesttoken='+OC.EventSource.requesttoken;
 	if(!this.useFallBack && typeof EventSource !='undefined'){
-		this.source=new EventSource(src+'?'+dataStr);
+		this.source=new EventSource(src+'&'+dataStr);
 		this.source.onmessage=function(e){
 			for(var i=0;i<this.typelessListeners.length;i++){
 				this.typelessListeners[i](JSON.parse(e.data));
@@ -54,7 +54,7 @@ OC.EventSource=function(src,data){
 		this.iframe=$('<iframe/>');
 		this.iframe.attr('id',iframeId);
 		this.iframe.hide();
-		this.iframe.attr('src',src+'?fallback=true&fallback_id='+OC.EventSource.iframeCount+'&'+dataStr);
+		this.iframe.attr('src',src+'&fallback=true&fallback_id='+OC.EventSource.iframeCount+'&'+dataStr);
 		$('body').append(this.iframe);
 		this.useFallBack=true;
 		OC.EventSource.iframeCount++
@@ -90,7 +90,7 @@ OC.EventSource.prototype={
 	lastLength:0,//for fallback
 	listen:function(type,callback){
 		if(callback && callback.call){
-			
+
 			if(type){
 				if(this.useFallBack){
 					if(!this.listeners[type]){