diff --git a/openpype/hosts/maya/api/lib_renderproducts.py b/openpype/hosts/maya/api/lib_renderproducts.py
index a6bcd003a5..4f52372f06 100644
--- a/openpype/hosts/maya/api/lib_renderproducts.py
+++ b/openpype/hosts/maya/api/lib_renderproducts.py
@@ -528,6 +528,9 @@ class RenderProductsArnold(ARenderProducts):
     def get_renderer_prefix(self):
 
         prefix = super(RenderProductsArnold, self).get_renderer_prefix()
+        if prefix is None:
+            return ""
+
         merge_aovs = self._get_attr("defaultArnoldDriver.mergeAOVs")
         if not merge_aovs and "<renderpass>" not in prefix.lower():
             # When Merge AOVs is disabled and <renderpass> token not present