Index: common/p_map.cpp
===================================================================
--- common/p_map.cpp	(revision 3958)
+++ common/p_map.cpp	(working copy)
@@ -3026,7 +3026,7 @@
 	nofit = false;
 	crushchange = crunch;

-	if (co_boomsectortouch)
+	if (co_boomsectortouch || co_zdoomphys)
 	{
 		msecnode_t *n;