diff --git a/src/content-handlers/iiif/modules/uv-shared-module/BaseExtension.ts b/src/content-handlers/iiif/modules/uv-shared-module/BaseExtension.ts
index f98a7ce7f..d53a4a618 100644
--- a/src/content-handlers/iiif/modules/uv-shared-module/BaseExtension.ts
+++ b/src/content-handlers/iiif/modules/uv-shared-module/BaseExtension.ts
@@ -271,7 +271,7 @@ export class BaseExtension<T extends BaseConfig> implements IExtension {
 
     // this.$element.append('<a href="/" id="top"></a>');
     this.$element.append(
-      '<iframe id="commsFrame" style="display:none"></iframe>'
+      '<iframe id="commsFrame"></iframe>'
     );
 
     this.extensionHost.subscribeAll((event, args) => {
diff --git a/src/content-handlers/iiif/modules/uv-shared-module/css/styles.less b/src/content-handlers/iiif/modules/uv-shared-module/css/styles.less
index 49f189eea..2be039a44 100644
--- a/src/content-handlers/iiif/modules/uv-shared-module/css/styles.less
+++ b/src/content-handlers/iiif/modules/uv-shared-module/css/styles.less
@@ -82,6 +82,7 @@
         width: 1px;
         height: 1px;
         border: none;
+        display: none;
     }
 
     .headerPanel {