diff --git a/src/plugins/git/gitclient.cpp b/src/plugins/git/gitclient.cpp
index 13a060dc0e5..49baffb5cad 100644
--- a/src/plugins/git/gitclient.cpp
+++ b/src/plugins/git/gitclient.cpp
@@ -1327,7 +1327,7 @@ bool GitClient::executeSynchronousStash(const QString &workingDirectory,
         if (errorMessage)
             *errorMessage = msg;
         else
-            outputWindow()->append(msg);
+            outputWindow()->appendError(msg);
         return false;
     }
     return true;