diff --git a/cime_config/allactive/config_pesall.xml b/cime_config/allactive/config_pesall.xml
index 2e82a7a9018f..583f12716a49 100644
--- a/cime_config/allactive/config_pesall.xml
+++ b/cime_config/allactive/config_pesall.xml
@@ -8487,6 +8487,35 @@
         </rootpe>
       </pes>
     </mach>
+    <mach name="anvil">
+      <pes compset=".*EAM.+ELM.+MPASSI.+DOCN.+" pesize="any">
+        <comment> for F-cases on anvil, to fix testing issues that default to 144 pes </comment>
+        <ntasks>
+          <ntasks_atm>288</ntasks_atm>
+          <ntasks_lnd>288</ntasks_lnd>
+          <ntasks_rof>288</ntasks_rof>
+          <ntasks_ice>288</ntasks_ice>
+          <ntasks_ocn>288</ntasks_ocn>
+          <ntasks_cpl>288</ntasks_cpl>
+        </ntasks>
+        <nthrds>
+          <nthrds_atm>1</nthrds_atm>
+          <nthrds_lnd>1</nthrds_lnd>
+          <nthrds_rof>1</nthrds_rof>
+          <nthrds_ice>1</nthrds_ice>
+          <nthrds_ocn>1</nthrds_ocn>
+          <nthrds_cpl>1</nthrds_cpl>
+        </nthrds>
+        <rootpe>
+          <rootpe_atm>0</rootpe_atm>
+          <rootpe_lnd>0</rootpe_lnd>
+          <rootpe_rof>0</rootpe_rof>
+          <rootpe_ice>0</rootpe_ice>
+          <rootpe_ocn>0</rootpe_ocn>
+          <rootpe_cpl>0</rootpe_cpl>
+        </rootpe>
+      </pes>
+    </mach>
   </grid>
   <grid name="a%ne30np4.pg.+_oi%EC30to60E2r2">
     <mach name="chrysalis">