diff --git a/client/modules/IDE/components/Console.js b/client/modules/IDE/components/Console.js
index bb08e59b..9a527ccf 100644
--- a/client/modules/IDE/components/Console.js
+++ b/client/modules/IDE/components/Console.js
@@ -27,6 +27,7 @@ class Console extends React.Component {
     if (nextProps.isPlaying && !this.props.isPlaying) {
       this.children = [];
     } else if (nextProps.consoleEvent !== this.props.consoleEvent && this.props.isPlaying) {
+      console.log(nextProps.consoleEvent);
       nextProps.consoleEvent.forEach(consoleEvent => {
         if (consoleEvent.source === 'sketch') {
           const args = consoleEvent.arguments;
diff --git a/client/modules/IDE/components/PreviewFrame.js b/client/modules/IDE/components/PreviewFrame.js
index 8b0fb79e..4251db10 100644
--- a/client/modules/IDE/components/PreviewFrame.js
+++ b/client/modules/IDE/components/PreviewFrame.js
@@ -101,11 +101,12 @@ function hijackConsoleErrorsScript(offs) {
           var fileInfo = getScriptOff(lineNumber);
           data = msg + ' (' + fileInfo[1] + ': line ' + fileInfo[0] + ')';
         }
-        window.parent.postMessage({
+
+        window.parent.postMessage([{
           method: 'error',
           arguments: data,
           source: 'sketch'
-        }, '*');
+        }], '*');
       return false;
     };
   </script>`;