diff --git a/.github/workflows/build_container.yml b/.github/workflows/build_container.yml
index 1e118a1f..459c12c7 100644
--- a/.github/workflows/build_container.yml
+++ b/.github/workflows/build_container.yml
@@ -2,8 +2,10 @@ name: Create and publish a container image
 
 on:
   push:
+    branches:
+      - main
     tags:
-      - 'v*'
+      - v*
 
 jobs:
   build-and-push-image:
diff --git a/javascript/localization.js b/javascript/localization.js
index 9f13d6fc..21b3b333 100644
--- a/javascript/localization.js
+++ b/javascript/localization.js
@@ -81,9 +81,12 @@ function refresh_style_localization() {
 }
 
 function refresh_aspect_ratios_label(value) {
-    label = document.querySelector('#aspect_ratios_accordion div span[data-original-text="Aspect Ratios"]')
-    translation = getTranslation("Aspect Ratios")
-    label.textContent = translation + " " + htmlDecode(value)
+    label = document.querySelector('#aspect_ratios_accordion div span[data-original-text="Aspect Ratios"]');
+    translation = getTranslation("Aspect Ratios");
+    if (typeof translation == "undefined") {
+        translation = "Aspect Ratios";
+    }
+    label.textContent = translation + " " + htmlDecode(value);
 }
 
 function localizeWholePage() {