diff --git a/src/p_floor.c b/src/p_floor.c
index e613b5ed..8af2ee7b 100644
--- a/src/p_floor.c
+++ b/src/p_floor.c
@@ -811,6 +811,8 @@ void T_BounceCheese(levelspecthink_t *bouncer)
 		{
 			bouncer->sector->ceilingheight = actionsector->ceilingheight;
 			bouncer->sector->floorheight = bouncer->sector->ceilingheight - (halfheight*2);
+			T_MovePlane(bouncer->sector, 0, bouncer->sector->ceilingheight, 0, 1, -1); // update things on ceiling
+			T_MovePlane(bouncer->sector, 0, bouncer->sector->floorheight, 0, 0, -1); // update things on floor
 			P_RecalcPrecipInSector(actionsector);
 			bouncer->sector->ceilingdata = NULL;
 			bouncer->sector->floordata = NULL;
@@ -825,6 +827,8 @@ void T_BounceCheese(levelspecthink_t *bouncer)
 		{
 			bouncer->sector->ceilingheight = floorheight + (halfheight << 1);
 			bouncer->sector->floorheight = floorheight;
+			T_MovePlane(bouncer->sector, 0, bouncer->sector->ceilingheight, 0, 1, -1); // update things on ceiling
+			T_MovePlane(bouncer->sector, 0, bouncer->sector->floorheight, 0, 0, -1); // update things on floor
 			P_RecalcPrecipInSector(actionsector);
 			bouncer->sector->ceilingdata = NULL;
 			bouncer->sector->floordata = NULL;
@@ -841,9 +845,9 @@ void T_BounceCheese(levelspecthink_t *bouncer)
 		}
 
 		T_MovePlane(bouncer->sector, bouncer->speed/2, bouncer->sector->ceilingheight -
-			70*FRACUNIT, 0, 1, -1); // move floor
+			70*FRACUNIT, 0, 1, -1); // move ceiling
 		T_MovePlane(bouncer->sector, bouncer->speed/2, bouncer->sector->floorheight - 70*FRACUNIT,
-			0, 0, -1); // move ceiling
+			0, 0, -1); // move floor
 
 		bouncer->sector->floorspeed = -bouncer->speed/2;
 		bouncer->sector->ceilspeed = 42;
@@ -893,6 +897,8 @@ void T_BounceCheese(levelspecthink_t *bouncer)
 		{
 			bouncer->sector->floorheight = bouncer->floorwasheight;
 			bouncer->sector->ceilingheight = bouncer->ceilingwasheight;
+			T_MovePlane(bouncer->sector, 0, bouncer->sector->ceilingheight, 0, 1, -1); // update things on ceiling
+			T_MovePlane(bouncer->sector, 0, bouncer->sector->floorheight, 0, 0, -1); // update things on floor
 			bouncer->sector->ceilingdata = NULL;
 			bouncer->sector->floordata = NULL;
 			bouncer->sector->floorspeed = 0;