diff --git a/plugins/UM3NetworkPrinting/NetworkClusterPrinterOutputDevice.py b/plugins/UM3NetworkPrinting/NetworkClusterPrinterOutputDevice.py
index 32ed18bc9f..5ce498e11c 100644
--- a/plugins/UM3NetworkPrinting/NetworkClusterPrinterOutputDevice.py
+++ b/plugins/UM3NetworkPrinting/NetworkClusterPrinterOutputDevice.py
@@ -340,6 +340,7 @@ class NetworkClusterPrinterOutputDevice(NetworkPrinterOutputDevice.NetworkPrinte
 
         def _compressDataAndNotifyQt(data_to_append):
             compressed_data = gzip.compress(data_to_append.encode("utf-8"))
+            self._progress_message.setProgress(-1)  # Tickle the message so that it's clear that it's still being used.
             QCoreApplication.processEvents()  # Ensure that the GUI does not freeze.
             # Pretend that this is a response, as zipping might take a bit of time.
             self._last_response_time = time.time()
diff --git a/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py b/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
index 3ea48be33c..5e608120ab 100755
--- a/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
+++ b/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
@@ -871,6 +871,7 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
 
             def _compress_data_and_notify_qt(data_to_append):
                 compressed_data = gzip.compress(data_to_append.encode("utf-8"))
+                self._progress_message.setProgress(-1) # Tickle the message so that it's clear that it's still being used.
                 QCoreApplication.processEvents()  # Ensure that the GUI does not freeze.
                 # Pretend that this is a response, as zipping might take a bit of time.
                 self._last_response_time = time()