diff --git a/brozzler/behaviors.yaml b/brozzler/behaviors.yaml
index f60b5fb..05e7fce 100644
--- a/brozzler/behaviors.yaml
+++ b/brozzler/behaviors.yaml
@@ -25,8 +25,6 @@
   url_regex: '^https?://(?:www\.)?instagram\.com/.*$'
   behavior_js_template: umbraBehavior.js.j2
   default_parameters:
-    interval: 500
-    skip_iframes: true
     actions:
       - selector: button.coreSpriteDismissLarge
       - selector: 'a>.eLAPa>.KL4Bh'
diff --git a/brozzler/js-templates/umbraBehavior.js.j2 b/brozzler/js-templates/umbraBehavior.js.j2
index 7c24a13..dc4f083 100644
--- a/brozzler/js-templates/umbraBehavior.js.j2
+++ b/brozzler/js-templates/umbraBehavior.js.j2
@@ -26,11 +26,6 @@ class UmbraBehavior {
         this.idleSince = null;
         this.intervalId = null;
         this.intervalTimeMs = {{interval or 300}};
-        {% if skip_iframes %}
-        this.skipIframes = true;
-        {% else %}
-        this.skipIframes = false;
-        {% endif %}
         this.index = 0;
     }
 
@@ -48,11 +43,15 @@ class UmbraBehavior {
 
         var documents = [];
         documents[0] = document;
-        if (!(this.skipIframes)) {
-            var iframes = document.querySelectorAll("iframe");
-            var iframesLength = iframes.length;
-            for (var i = 0; i < iframesLength; i++) {
+        var iframes = document.querySelectorAll("iframe");
+        var iframesLength = iframes.length;
+        for (var i = 0; i < iframesLength; i++) {
+            try {
                 documents.push(iframes[i].contentWindow.document);
+            } catch (e) {
+                // it'd be too much logging because this is common:
+                // SecurityError: Blocked a frame with origin "..." from accessing a cross-origin frame
+                // console.log("exception looking at iframe" + iframes[i] + ": " + e);
             }
         }
         var documentsLength = documents.length;
diff --git a/setup.py b/setup.py
index 1fb7ff8..98bcf3e 100755
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def find_package_data(package):
 
 setuptools.setup(
         name='brozzler',
-        version='1.5.dev317',
+        version='1.5.dev319',
         description='Distributed web crawling with browsers',
         url='https://github.com/internetarchive/brozzler',
         author='Noah Levitt',