diff --git a/parm/config/gefs/config.resources b/parm/config/gefs/config.resources
index 7745b98e86..a4ae76d7fb 100644
--- a/parm/config/gefs/config.resources
+++ b/parm/config/gefs/config.resources
@@ -220,7 +220,7 @@ case ${step} in
 
   "wavepostsbs")
     export wtime_wavepostsbs="03:00:00"
-    export npe_wavepostsbs=8
+    export npe_wavepostsbs=1
     export nth_wavepostsbs=1
     export npe_node_wavepostsbs=$(( npe_node_max / nth_wavepostsbs ))
     export NTASKS=${npe_wavepostsbs}
@@ -261,4 +261,4 @@ case ${step} in
 
 esac
 
-echo "END: config.resources"
\ No newline at end of file
+echo "END: config.resources"