diff --git a/wall/bwall/earthwall.arc b/wall/bwall/earthwall.arc
index 51475d4d2..7033233eb 100644
--- a/wall/bwall/earthwall.arc
+++ b/wall/bwall/earthwall.arc
@@ -24,6 +24,7 @@ resist_acid 100
 resist_drain 100
 
 no_pick 1
+no_pass 1
 blocksview 1
 alive 1
 level 1