diff --git a/src/playsim/p_mobj.cpp b/src/playsim/p_mobj.cpp
index 6cc6f670e..7e8d54713 100644
--- a/src/playsim/p_mobj.cpp
+++ b/src/playsim/p_mobj.cpp
@@ -6435,7 +6435,7 @@ bool P_CheckMissileSpawn (AActor* th, double maxdist)
 			}
 			else
 			{
-				P_ExplodeMissile (th, NULL, th->BlockingMobj);
+				P_ExplodeMissile (th, th->BlockingLine, th->BlockingMobj);
 			}
 			return false;
 		}