diff --git a/contentcuration/contentcuration/frontend/channelEdit/views/files/ContentRenderer.vue b/contentcuration/contentcuration/frontend/channelEdit/views/files/ContentRenderer.vue
index 403736e745..b928aca6e6 100644
--- a/contentcuration/contentcuration/frontend/channelEdit/views/files/ContentRenderer.vue
+++ b/contentcuration/contentcuration/frontend/channelEdit/views/files/ContentRenderer.vue
@@ -6,10 +6,10 @@
   >
     <div
       class="renderer"
-      :aria-busy="loading"
+      :aria-busy="isSupported && loading"
     >
       <div
-        v-show="loading"
+        v-show="isSupported && loading"
         class="overlay"
         :style="{ background: $themePalette.white }"
       >
@@ -216,6 +216,9 @@
       isEpub() {
         return this.file.file_format === 'epub';
       },
+      isSupported() {
+        return this.isVideo || this.isAudio || this.isHTML || this.isPDF || this.isEpub;
+      },
       htmlPath() {
         const entry = get(this.contentNode, ['extra_fields', 'options', 'entry'], 'index.html');
         return `/zipcontent/${this.file.checksum}.${this.file.file_format}/${entry}`;