diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index 5398971b9..2c05874ab 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -6029,7 +6029,8 @@ AActor *P_SpawnMapThing (FMapThing *mthing, int position)
 	mobj->SpawnPoint = mthing->pos;
 	mobj->SpawnAngle = mthing->angle;
 	mobj->SpawnFlags = mthing->flags;
-	mobj->friendlyseeblocks = mthing->friendlyseeblocks;
+	if (mthing->friendlyseeblocks > 0)
+		mobj->friendlyseeblocks = mthing->friendlyseeblocks;
 	if (mthing->FloatbobPhase >= 0 && mthing->FloatbobPhase < 64) mobj->FloatBobPhase = mthing->FloatbobPhase;
 	if (mthing->Gravity < 0) mobj->Gravity = -mthing->Gravity;
 	else if (mthing->Gravity > 0) mobj->Gravity *= mthing->Gravity;
@@ -8466,5 +8467,6 @@ void PrintMiscActorInfo(AActor *query)
 		Printf("\nSpeed= %f, velocity= x:%f, y:%f, z:%f, combined:%f.\n",
 			query->Speed, query->Vel.X, query->Vel.Y, query->Vel.Z, query->Vel.Length());
 		Printf("Scale: x:%f, y:%f\n", query->Scale.X, query->Scale.Y);
+		Printf("FriendlySeeBlocks: %d\n", query->friendlyseeblocks);
 	}
 }
diff --git a/src/p_setup.cpp b/src/p_setup.cpp
index f7db67c2e..937f77fa8 100644
--- a/src/p_setup.cpp
+++ b/src/p_setup.cpp
@@ -1831,7 +1831,7 @@ void P_LoadThings2 (MapData * map)
 		mti[i].Alpha = -1;
 		mti[i].Health = 1;
 		mti[i].FloatbobPhase = -1;
-		mti[i].friendlyseeblocks = 10;
+		mti[i].friendlyseeblocks = -1;
 	}
 	delete[] mtp;
 }