diff --git a/apps/web/src/components/ComposerPromptEditor.tsx b/apps/web/src/components/ComposerPromptEditor.tsx
index 6f17c866306..f83a7333ea8 100644
--- a/apps/web/src/components/ComposerPromptEditor.tsx
+++ b/apps/web/src/components/ComposerPromptEditor.tsx
@@ -917,6 +917,12 @@ function ComposerCommandKeyPlugin(props: {
       if (!props.onCommandKeyDown || !event) {
         return false;
       }
+
+      if (key === "Enter" && (event.isComposing || event.keyCode === 229)) {
+        event.stopPropagation();
+        return true;
+      }
+
       const handled = props.onCommandKeyDown(key, event);
       if (handled) {
         event.preventDefault();