diff --git a/web/screens/Thread/ThreadCenterPanel/ChatInput/RichTextEditor.tsx b/web/screens/Thread/ThreadCenterPanel/ChatInput/RichTextEditor.tsx
index 7f96fc5b5c..66c0d890ea 100644
--- a/web/screens/Thread/ThreadCenterPanel/ChatInput/RichTextEditor.tsx
+++ b/web/screens/Thread/ThreadCenterPanel/ChatInput/RichTextEditor.tsx
@@ -225,7 +225,11 @@ const RichTextEditor = ({
 
   const handleKeyDown = useCallback(
     (event: React.KeyboardEvent) => {
-      if (event.key === 'Enter' && !event.shiftKey) {
+      if (
+        event.key === 'Enter' &&
+        !event.shiftKey &&
+        event.nativeEvent.isComposing === false
+      ) {
         event.preventDefault()
         if (messages[messages.length - 1]?.status !== MessageStatus.Pending) {
           sendChatMessage(currentPrompt)