diff --git a/openpype/hosts/maya/plugins/publish/validate_rendersettings.py b/openpype/hosts/maya/plugins/publish/validate_rendersettings.py
index ebf7b3138d..a5d5ab0c9e 100644
--- a/openpype/hosts/maya/plugins/publish/validate_rendersettings.py
+++ b/openpype/hosts/maya/plugins/publish/validate_rendersettings.py
@@ -364,6 +364,17 @@ class ValidateRenderSettings(pyblish.api.InstancePlugin):
             cmds.setAttr("defaultRenderGlobals.animation", True)
 
             # Repair prefix
+            if renderer == "arnold":
+                multipart = cmds.getAttr("defaultArnoldDriver.mergeAOVs")
+                if multipart:
+                    separator_variations = [
+                        "_<RenderPass>",
+                        "<RenderPass>_",
+                        "<RenderPass>",
+                    ]
+                    for variant in separator_variations:
+                        default_prefix = default_prefix.replace(variant, "")
+
             if renderer != "renderman":
                 node = render_attrs["node"]
                 prefix_attr = render_attrs["prefix"]