diff --git a/static/visualizer/common.js b/static/visualizer/common.js
index 1c73001b..43247b81 100644
--- a/static/visualizer/common.js
+++ b/static/visualizer/common.js
@@ -10,7 +10,7 @@ function makeEmbeddedIframeTag(iframeUrl) {
          var height = parseInt(event.data.rcvisHeight);
          iframe.height = height + 'px';
        }, false);
-       contentWindow.postMessage({getSize: true}, '${iframeUrl}');
+       contentWindow.postMessage({getSize: true}, '*');
      ">
   `;
   return text;
diff --git a/static/visualizer/visualize-nonblocking.js b/static/visualizer/visualize-nonblocking.js
index 70d1eeab..100eae83 100644
--- a/static/visualizer/visualize-nonblocking.js
+++ b/static/visualizer/visualize-nonblocking.js
@@ -58,7 +58,6 @@ function setUpIframeMessageListener() {
         var height = document.getElementById("embedded-content").scrollHeight
                    + document.getElementById("embedded-footer").scrollHeight
                    + 10;
-        console.log("sending message" + height);
         parent.postMessage({rcvisHeight: height}, "*");
     }
   });