diff --git a/javascript/edit-order.js b/javascript/edit-order.js
index e6e739376..ed4ef9ac3 100644
--- a/javascript/edit-order.js
+++ b/javascript/edit-order.js
@@ -6,11 +6,11 @@ function keyupEditOrder(event) {
     let target = event.originalTarget || event.composedPath()[0];
     if (!target.matches("*:is([id*='_toprow'] [id*='_prompt'], .prompt) textarea")) return;
     if (!event.altKey) return;
-    event.preventDefault();
 
     let isLeft = event.key == "ArrowLeft";
     let isRight = event.key == "ArrowRight";
     if (!isLeft && !isRight) return;
+    event.preventDefault();
 
     let selectionStart = target.selectionStart;
     let selectionEnd = target.selectionEnd;