diff --git a/openpype/hosts/nuke/api/lib.py b/openpype/hosts/nuke/api/lib.py
index bb58bea4e3..860c42ebf3 100644
--- a/openpype/hosts/nuke/api/lib.py
+++ b/openpype/hosts/nuke/api/lib.py
@@ -2051,7 +2051,7 @@ class WorkfileSettings(object):
             self._root_node["colorManagement"].setValue("OCIO")
 
         # we dont need the key anymore
-        workfile_settings.pop("customOCIOConfigPath")
+        workfile_settings.pop("customOCIOConfigPath", None)
         workfile_settings.pop("colorManagement")
         workfile_settings.pop("OCIO_config")