diff --git a/cime_config/testdefs/testlist_clm.xml b/cime_config/testdefs/testlist_clm.xml
index aea66ac8bc..f8ed8bda64 100644
--- a/cime_config/testdefs/testlist_clm.xml
+++ b/cime_config/testdefs/testlist_clm.xml
@@ -2050,7 +2050,7 @@
       <option name="comment">Short ERP debug FATES test for f19_g17 grid.</option>
     </options>
   </test>
-  <test name="ERP_D_P32x2_Ld3" grid="f19_g17" compset="I2000Clm50FatesCru" testmods="clm/FatesColdDef">
+  <test name="ERP_D_P36x2_Ld3" grid="f19_g17" compset="I2000Clm50FatesCru" testmods="clm/FatesColdDef">
     <machines>
       <machine name="cheyenne" compiler="intel" category="fates"/>
     </machines>