diff --git a/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py b/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
index 64386fb482..3ee618ca4e 100755
--- a/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
+++ b/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
@@ -480,19 +480,9 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
 
                 # Check if we were uploading something. Abort if this is the case.
                 # Some operating systems handle this themselves, others give weird issues.
-                try:
-                    if self._post_reply:
-                        Logger.log("d", "Stopping post upload because the connection was lost.")
-                        try:
-                            self._post_reply.uploadProgress.disconnect(self._onUploadProgress)
-                            self._post_reply.finished.disconnect(self._onUploadFinished)
-                        except TypeError:
-                            pass  # The disconnection can fail on mac in some cases. Ignore that.
-
-                        self._post_reply.abort()
-                        self._post_reply = None
-                except RuntimeError:
-                    self._post_reply = None  # It can happen that the wrapped c++ object is already deleted.
+                if self._post_reply:
+                    Logger.log("d", "Stopping post upload because the connection was lost.")
+                    self._finalizePostReply()
             return
         else:
             if not self._connection_state_before_timeout:
@@ -513,19 +503,9 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
 
                 # Check if we were uploading something. Abort if this is the case.
                 # Some operating systems handle this themselves, others give weird issues.
-                try:
-                    if self._post_reply:
-                        Logger.log("d", "Stopping post upload because the connection was lost.")
-                        try:
-                            self._post_reply.uploadProgress.disconnect(self._onUploadProgress)
-                            self._post_reply.finished.disconnect(self._onUploadFinished)
-                        except TypeError:
-                            pass  # The disconnection can fail on mac in some cases. Ignore that.
-
-                        self._post_reply.abort()
-                        self._post_reply = None
-                except RuntimeError:
-                    self._post_reply = None  # It can happen that the wrapped c++ object is already deleted.
+                if self._post_reply:
+                    Logger.log("d", "Stopping post upload because the connection was lost.")
+                    self._finalizePostReply()
                 self.setConnectionState(ConnectionState.error)
                 return
 
@@ -546,6 +526,26 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
 
         self._last_request_time = time()
 
+    def _finalizePostReply(self):
+        if self._post_reply is None:
+            return
+
+        try:
+            try:
+                self._post_reply.uploadProgress.disconnect(self._onUploadProgress)
+            except TypeError:
+                pass  # The disconnection can fail on mac in some cases. Ignore that.
+
+            try:
+                self._post_reply.finished.disconnect(self._onUploadFinished)
+            except TypeError:
+                pass  # The disconnection can fail on mac in some cases. Ignore that.
+
+            self._post_reply.abort()
+            self._post_reply = None
+        except RuntimeError:
+            self._post_reply = None  # It can happen that the wrapped c++ object is already deleted.
+
     def _createNetworkManager(self):
         if self._manager:
             self._manager.finished.disconnect(self._onFinished)
@@ -847,8 +847,7 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
             self._progress_message.hide()
             self._compressing_print = False
             if self._post_reply:
-                self._post_reply.abort()
-                self._post_reply = None
+                self._finalizePostReply()
             Application.getInstance().showPrintMonitor.emit(False)
 
     ##  Attempt to start a new print.
@@ -996,11 +995,8 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
             # Check if we were uploading something. Abort if this is the case.
             # Some operating systems handle this themselves, others give weird issues.
             if self._post_reply:
-                self._post_reply.abort()
-                self._post_reply.uploadProgress.disconnect(self._onUploadProgress)
-                self._post_reply.finished.disconnect(self._onUploadFinished)
+                self._finalizePostReply()
                 Logger.log("d", "Uploading of print failed after %s", time() - self._send_gcode_start)
-                self._post_reply = None
                 self._progress_message.hide()
 
             self.setConnectionState(ConnectionState.error)