diff --git a/packages/roosterjs-content-model-plugins/lib/watermark/WatermarkPlugin.ts b/packages/roosterjs-content-model-plugins/lib/watermark/WatermarkPlugin.ts
index 73ff77861ce..718c864c2b0 100644
--- a/packages/roosterjs-content-model-plugins/lib/watermark/WatermarkPlugin.ts
+++ b/packages/roosterjs-content-model-plugins/lib/watermark/WatermarkPlugin.ts
@@ -62,7 +62,10 @@ export class WatermarkPlugin implements EditorPlugin {
             return;
         }
 
-        if (event.eventType == 'input' && event.rawEvent.inputType == 'insertText') {
+        if (
+            (event.eventType == 'input' && event.rawEvent.inputType == 'insertText') ||
+            event.eventType == 'compositionEnd'
+        ) {
             // When input text, editor must not be empty, so we can do hide watermark now without checking content model
             this.showHide(editor, false /*isEmpty*/);
         } else if (