diff --git a/configuration/scripts/options/set_nml.iobinary b/configuration/scripts/options/set_nml.iobinary
index ec5784cde..80ea92d61 100644
--- a/configuration/scripts/options/set_nml.iobinary
+++ b/configuration/scripts/options/set_nml.iobinary
@@ -1,3 +1,3 @@
 ice_ic = 'internal'
-history_format = 'default'
-restart_format = 'default'
+history_format = 'binary'
+restart_format = 'binary'