diff --git a/additions/juggler/TargetRegistry.js b/additions/juggler/TargetRegistry.js
index 18812ae..079993b 100644
--- a/additions/juggler/TargetRegistry.js
+++ b/additions/juggler/TargetRegistry.js
@@ -574,10 +574,10 @@ class PageTarget {
     if (
       !this._viewportSize &&
       this._browserContext.defaultViewportSize && (
-        ChromeUtils.camouGetConfig("window.outerWidth") ||
-        ChromeUtils.camouGetConfig("window.outerHeight") ||
-        ChromeUtils.camouGetConfig("window.innerWidth") ||
-        ChromeUtils.camouGetConfig("window.innerHeight"))
+        ChromeUtils.camouGetInt("window.outerWidth") ||
+        ChromeUtils.camouGetInt("window.outerHeight") ||
+        ChromeUtils.camouGetInt("window.innerWidth") ||
+        ChromeUtils.camouGetInt("window.innerHeight"))
     ) {
       return;
     }
diff --git a/upstream.sh b/upstream.sh
index 0e8289b..87ab2fa 100644
--- a/upstream.sh
+++ b/upstream.sh
@@ -1,2 +1,2 @@
 version=130.0.1
-release=beta.9
+release=beta.10