diff --git a/src/scripts/editor/editor.js b/src/scripts/editor/editor.js
index bdc385d..93b649d 100644
--- a/src/scripts/editor/editor.js
+++ b/src/scripts/editor/editor.js
@@ -1473,7 +1473,7 @@ class BipsiEditor extends EventTarget {
                     }
                 });
 
-                if (event.key.toLocaleLowerCase()) {
+                if (event.key.toLocaleLowerCase() == "x") {
                     event.preventDefault();
 
                     const prevFg = this.fgIndex.value;