diff --git a/plugins/UM3NetworkPrinting/src/ExportFileJob.py b/plugins/UM3NetworkPrinting/src/ExportFileJob.py
index 12f5a28877..953b167a6e 100644
--- a/plugins/UM3NetworkPrinting/src/ExportFileJob.py
+++ b/plugins/UM3NetworkPrinting/src/ExportFileJob.py
@@ -1,6 +1,7 @@
 # Copyright (c) 2021 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
+import re  # Filtering out invalid characters.
 from typing import List, Optional
 
 from UM.FileHandler.FileHandler import FileHandler
@@ -27,6 +28,7 @@ class ExportFileJob(WriteFileJob):
 
         # Determine the filename.
         job_name = CuraApplication.getInstance().getPrintInformation().jobName
+        job_name = re.sub("[^\w\-. ()]", "-", job_name)
         extension = self._mesh_format_handler.preferred_format.get("extension", "")
         self.setFileName("{}.{}".format(job_name, extension))