diff --git a/src/p_map.c b/src/p_map.c
index 099ace8e4..9c3a6ffbf 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -485,6 +485,10 @@ static boolean PIT_CheckThing(mobj_t *thing)
 	|| (thing->player && thing->player->spectator))
 		return true;
 
+	// Ignore the collision if BOTH things are in hitlag.
+	if (thing->hitlag > 0 && tmthing->hitlag > 0)
+		return true;
+
 	if ((thing->flags & MF_NOCLIPTHING) || !(thing->flags & (MF_SOLID|MF_SPECIAL|MF_PAIN|MF_SHOOTABLE|MF_SPRING)))
 		return true;