diff --git a/jsfiddles/create_room_send_msg/demo.js b/jsfiddles/create_room_send_msg/demo.js
index 3dc7263830..9c346e2f64 100644
--- a/jsfiddles/create_room_send_msg/demo.js
+++ b/jsfiddles/create_room_send_msg/demo.js
@@ -19,7 +19,12 @@ $('.login').live('click', function() {
             showLoggedIn(data);
         },
         error: function(err) {
-            alert(JSON.stringify($.parseJSON(err.responseText)));  
+            var errMsg = "To try this, you need a home server running!";
+            var errJson = $.parseJSON(err.responseText);
+            if (errJson) {
+                errMsg = JSON.stringify(errJson);   
+            }
+            alert(errMsg);  
         }
     }); 
 });
diff --git a/jsfiddles/event_stream/demo.js b/jsfiddles/event_stream/demo.js
index 5c81e08caa..acba8391fa 100644
--- a/jsfiddles/event_stream/demo.js
+++ b/jsfiddles/event_stream/demo.js
@@ -58,7 +58,12 @@ $('.login').live('click', function() {
             showLoggedIn(data);
         },
         error: function(err) {
-            alert(JSON.stringify($.parseJSON(err.responseText)));  
+            var errMsg = "To try this, you need a home server running!";
+            var errJson = $.parseJSON(err.responseText);
+            if (errJson) {
+                errMsg = JSON.stringify(errJson);   
+            }
+            alert(errMsg);  
         }
     }); 
 });
diff --git a/jsfiddles/register_login/demo.js b/jsfiddles/register_login/demo.js
index 9595039173..fffa9e0551 100644
--- a/jsfiddles/register_login/demo.js
+++ b/jsfiddles/register_login/demo.js
@@ -20,7 +20,12 @@ $('.register').live('click', function() {
             showLoggedIn(data);
         },
         error: function(err) {
-            alert(JSON.stringify($.parseJSON(err.responseText)));  
+            var errMsg = "To try this, you need a home server running!";
+            var errJson = $.parseJSON(err.responseText);
+            if (errJson) {
+                errMsg = JSON.stringify(errJson);   
+            }
+            alert(errMsg);   
         }
     });
 });
@@ -36,7 +41,12 @@ var login = function(user, password) {
             showLoggedIn(data);
         },
         error: function(err) {
-            alert(JSON.stringify($.parseJSON(err.responseText)));  
+            var errMsg = "To try this, you need a home server running!";
+            var errJson = $.parseJSON(err.responseText);
+            if (errJson) {
+                errMsg = JSON.stringify(errJson);   
+            }
+            alert(errMsg);  
         }
     });  
 };
diff --git a/jsfiddles/room_memberships/demo.js b/jsfiddles/room_memberships/demo.js
index 64ba767138..8a7b1aa88e 100644
--- a/jsfiddles/room_memberships/demo.js
+++ b/jsfiddles/room_memberships/demo.js
@@ -28,7 +28,12 @@ $('.login').live('click', function() {
             showLoggedIn(data);
         },
         error: function(err) {
-            alert(JSON.stringify($.parseJSON(err.responseText)));  
+            var errMsg = "To try this, you need a home server running!";
+            var errJson = $.parseJSON(err.responseText);
+            if (errJson) {
+                errMsg = JSON.stringify(errJson);   
+            }
+            alert(errMsg); 
         }
     }); 
 });