2 files changed, 7 insertions, 7 deletions
diff --git a/ext/js/pages/settings/popup-preview-controller.js b/ext/js/pages/settings/popup-preview-controller.js
index 2a47d385..9a00c845 100644
--- a/ext/js/pages/settings/popup-preview-controller.js
+++ b/ext/js/pages/settings/popup-preview-controller.js
@@ -52,16 +52,16 @@ class PopupPreviewController {
     }
 
     _onCustomCssChange() {
-        this._invoke('setCustomCss', {css: this._customCss.value});
+        this._invoke('PopupPreviewFrame.setCustomCss', {css: this._customCss.value});
     }
 
     _onCustomOuterCssChange() {
-        this._invoke('setCustomOuterCss', {css: this._customOuterCss.value});
+        this._invoke('PopupPreviewFrame.setCustomOuterCss', {css: this._customOuterCss.value});
     }
 
     _onOptionsContextChange() {
         const optionsContext = this._settingsController.getOptionsContext();
-        this._invoke('updateOptionsContext', {optionsContext});
+        this._invoke('PopupPreviewFrame.updateOptionsContext', {optionsContext});
     }
 
     _invoke(action, params) {
diff --git a/ext/js/pages/settings/popup-preview-frame.js b/ext/js/pages/settings/popup-preview-frame.js
index 638dd414..2b29d5b9 100644
--- a/ext/js/pages/settings/popup-preview-frame.js
+++ b/ext/js/pages/settings/popup-preview-frame.js
@@ -38,10 +38,10 @@ class PopupPreviewFrame {
         this._targetOrigin = chrome.runtime.getURL('/').replace(/\/$/, '');
 
         this._windowMessageHandlers = new Map([
-            ['setText',              this._onSetText.bind(this)],
-            ['setCustomCss',         this._setCustomCss.bind(this)],
-            ['setCustomOuterCss',    this._setCustomOuterCss.bind(this)],
-            ['updateOptionsContext', this._updateOptionsContext.bind(this)]
+            ['PopupPreviewFrame.setText',              this._onSetText.bind(this)],
+            ['PopupPreviewFrame.setCustomCss',         this._setCustomCss.bind(this)],
+            ['PopupPreviewFrame.setCustomOuterCss',    this._setCustomOuterCss.bind(this)],
+            ['PopupPreviewFrame.updateOptionsContext', this._updateOptionsContext.bind(this)]
         ]);
     }