diff --git a/dev/js/src/init.js b/dev/js/src/init.js
index 0e9944d..54dc713 100644
--- a/dev/js/src/init.js
+++ b/dev/js/src/init.js
@@ -52,7 +52,11 @@
 
   // Override KorAP.log
   window.alertify = alertifyClass;
-  KorAP.log = function (code, msg) {
+  KorAP.log = function (code, msg, src) {
+
+    if (src) {
+      msg += '<code class="src">'+src+'</code>';
+    };
 
     // Use alertify to log errors
     alertifyClass.log(
diff --git a/dev/js/src/plugin/server.js b/dev/js/src/plugin/server.js
index 9401de6..7dd0fce 100644
--- a/dev/js/src/plugin/server.js
+++ b/dev/js/src/plugin/server.js
@@ -116,7 +116,7 @@
       if (limits[id]-- < 0) {
 
         // Kill widget
-        KorAP.log(0, 'Suspicious action from ' + widget.src);
+        KorAP.log(0, 'Suspicious action by widget', widget.src);
         widget.shutdown();
         delete limits[id];
         delete widgets[id];
@@ -130,7 +130,7 @@
 
       // Log message from iframe
       else if (d.action === 'log') {
-        KorAP.log(d.code, d.msg);
+        KorAP.log(d.code, d.msg,  widget.src);
       };
 
       // TODO:
diff --git a/dev/js/src/util.js b/dev/js/src/util.js
index 80f6364..cb60c2a 100644
--- a/dev/js/src/util.js
+++ b/dev/js/src/util.js
@@ -99,7 +99,8 @@
 
 
   // Default log message
-  KorAP.log = KorAP.log || function (type, msg) {
+  KorAP.log = KorAP.log || function (type, msg, src) {
+    if (src) msg += ' from ' + src;
     console.log(type + ": " + msg);
   };