1 files changed, 7 insertions, 1 deletions
diff --git a/app/assets/javascripts/content_editor/extensions/superscript.js b/app/assets/javascripts/content_editor/extensions/superscript.js
index 6cd814977ea..b86906f01f2 100644
--- a/app/assets/javascripts/content_editor/extensions/superscript.js
+++ b/app/assets/javascripts/content_editor/extensions/superscript.js
@@ -4,6 +4,12 @@ import { markInputRegex, extractMarkAttributesFromMatch } from '../services/mark
 
 export default Superscript.extend({
   addInputRules() {
-    return [markInputRule(markInputRegex('sup'), this.type, extractMarkAttributesFromMatch)];
+    return [
+      markInputRule({
+        find: markInputRegex('sup'),
+        type: this.type,
+        getAttributes: extractMarkAttributesFromMatch,
+      }),
+    ];
   },
 });