diff --git a/openpype/hosts/standalonepublisher/plugins/publish/validate_editorial_resources.py b/openpype/hosts/standalonepublisher/plugins/publish/validate_editorial_resources.py
index 7987bbc2d9..afb828474d 100644
--- a/openpype/hosts/standalonepublisher/plugins/publish/validate_editorial_resources.py
+++ b/openpype/hosts/standalonepublisher/plugins/publish/validate_editorial_resources.py
@@ -20,7 +20,7 @@ class ValidateEditorialResources(pyblish.api.InstancePlugin):
             f"Instance: {instance}, Families: "
             f"{[instance.data['family']] + instance.data['families']}")
         check_file = instance.data["editorialSourcePath"]
-        msg = f"Missing source video file."
+        msg = "Missing source video file."
 
         if not check_file:
             raise PublishXmlValidationError(self, msg)