diff --git a/cime_config/namelist_definition_drv.xml b/cime_config/namelist_definition_drv.xml
index e253142a3..e35ff537d 100644
--- a/cime_config/namelist_definition_drv.xml
+++ b/cime_config/namelist_definition_drv.xml
@@ -891,7 +891,7 @@
       default: ocn
     </desc>
     <values>
-      <value>xgrid</value>
+      <value>ogrid</value>
     </values>
   </entry>
   <entry id="ocn_surface_flux_scheme">