diff --git a/modelgrid_aliases_nuopc.xml b/modelgrid_aliases_nuopc.xml
index 8b95eca6..c7ac6c7f 100644
--- a/modelgrid_aliases_nuopc.xml
+++ b/modelgrid_aliases_nuopc.xml
@@ -348,7 +348,7 @@
     <grid name="atm">1.9x2.5</grid>
     <grid name="lnd">1.9x2.5</grid>
     <grid name="ocnice">1.9x2.5</grid>
-    <mask>gx1v6</mask>
+    <mask>gx1v7</mask>
   </model_grid>
 
   <model_grid alias="f19_f19_mnull" compset="_DOCN%SAQUAP|DOCN%DAQUAP" >