diff --git a/compass/ocean/tests/global_ocean/mesh/so12to30/so12to30.cfg b/compass/ocean/tests/global_ocean/mesh/so12to30/so12to30.cfg
index d7450979b..3f7551ae3 100644
--- a/compass/ocean/tests/global_ocean/mesh/so12to30/so12to30.cfg
+++ b/compass/ocean/tests/global_ocean/mesh/so12to30/so12to30.cfg
@@ -37,7 +37,7 @@ cavity_min_levels = ${min_levels}
 # minimum thickness of layers in ice-shelf cavities at the beginning and end
 # of iterative ssh init
 cavity_min_layer_thickness_initial = 2.0
-cavity_min_layer_thickness_final = 1.0
+cavity_min_layer_thickness_final = 2.0
 
 # Maximum allowed Haney number for configurations with ice-shelf cavities
 rx1_max = 20.0