diff --git a/src/chatdocumenthandler.h b/src/chatdocumenthandler.h
index d489f9547..76136ca4d 100644
--- a/src/chatdocumenthandler.h
+++ b/src/chatdocumenthandler.h
@@ -157,7 +157,7 @@ Q_SIGNALS:
 private:
     int completionStartIndex() const;
 
-    bool m_isEdit;
+    bool m_isEdit = false;
 
     QQuickTextDocument *m_document;