1 files changed, 4 insertions, 0 deletions
diff --git a/param.ccl b/param.ccl
index 47ca995..41c5ed3 100644
--- a/param.ccl
+++ b/param.ccl
@@ -74,6 +74,10 @@ USES REAL poly_k
 
 restricted:
 
+BOOLEAN use_evolution_mask "Set this to 'true' to skip validity tests in regions where CarpetEvolutionMask::evolution_mask vanishes." STEERABLE=ALWAYS
+{
+} "false"
+
 BOOLEAN GRHydro_enable_internal_excision "Set this to 'false' to disable the thorn-internal excision." STEERABLE=ALWAYS
 {
 } "true"