diff --git a/src/playsim/p_enemy.cpp b/src/playsim/p_enemy.cpp
index 45df68ac1..1d49f4b3a 100644
--- a/src/playsim/p_enemy.cpp
+++ b/src/playsim/p_enemy.cpp
@@ -465,6 +465,12 @@ static int P_IsUnderDamage(AActor* actor)
 				dir |= cl->getDirection();
 		}
 		// Q: consider crushing 3D floors too?
+		// [inkoalawetrust] Check for sectors that can harm the actor.
+		if (!(actor->flags9 & MF9_NOSECTORDAMAGE) && seclist->m_sector->damageamount > 0)
+		{
+			if (seclist->m_sector->MoreFlags & SECMF_HARMINAIR || actor->isAtZ(seclist->m_sector->LowestFloorAt(actor)) || actor->waterlevel)
+				return (actor->player || (actor->player == nullptr && seclist->m_sector->MoreFlags & SECMF_HURTMONSTERS))  ? -1 : 0;
+		}
 	}
 	return dir;
 }
diff --git a/src/playsim/p_spec.cpp b/src/playsim/p_spec.cpp
index d72b14e96..3ee5fe871 100644
--- a/src/playsim/p_spec.cpp
+++ b/src/playsim/p_spec.cpp
@@ -430,10 +430,7 @@ void P_ActorInSpecialSector (AActor *victim, sector_t * sector)
 
 	// Falling, not all the way down yet?
 	if (!(sector->MoreFlags & SECMF_HARMINAIR) && !victim->isAtZ(sector->LowestFloorAt(victim)) && !victim->waterlevel)
-	{
-		DPrintf(2,"P_ActorInSpecialSector(): %p is not touching the floor and HARMINAIR isn't on, so they won't be harmed by the sector.\n",victim);
 		return;
-	}
 
 	// Has hit ground.