diff --git a/plugins/UM3NetworkPrinting/src/Network/ClusterApiClient.py b/plugins/UM3NetworkPrinting/src/Network/ClusterApiClient.py
index b3df000f7b..773e2b5902 100644
--- a/plugins/UM3NetworkPrinting/src/Network/ClusterApiClient.py
+++ b/plugins/UM3NetworkPrinting/src/Network/ClusterApiClient.py
@@ -176,7 +176,7 @@ class ClusterApiClient:
             if reply.attribute(QNetworkRequest.Attribute.HttpStatusCodeAttribute) is None:
                 return
 
-            if reply.error() > 0:
+            if reply.error() != QNetworkReply.NetworkError.NoError:
                 self._on_error(reply.errorString())
                 return