diff --git a/openpype/hosts/maya/plugins/publish/extract_xgen_cache.py b/openpype/hosts/maya/plugins/publish/extract_xgen_cache.py
index e0e4847625..b15c9decc2 100644
--- a/openpype/hosts/maya/plugins/publish/extract_xgen_cache.py
+++ b/openpype/hosts/maya/plugins/publish/extract_xgen_cache.py
@@ -14,7 +14,7 @@ class ExtractXgenCache(openpype.api.Extractor):
     label = "Extract Xgen ABC Cache"
     hosts = ["maya"]
     families = ["xgen"]
-    optional = true
+    optional = True
 
     def process(self, instance):