diff --git a/src/r_bsp.c b/src/r_bsp.c
index de4de9dff..c41dd0851 100644
--- a/src/r_bsp.c
+++ b/src/r_bsp.c
@@ -915,6 +915,7 @@ static void R_Subsector(size_t num)
 #ifdef ESLOPE
 			, frontsector->f_slope
 #endif
+			, frontsector->floor_scalex
 			);
 	}
 	else
@@ -937,6 +938,7 @@ static void R_Subsector(size_t num)
 #ifdef ESLOPE
 			, frontsector->c_slope
 #endif
+			, frontsector->ceiling_scalex
 			);
 	}
 	else
@@ -998,6 +1000,7 @@ static void R_Subsector(size_t num)
 #ifdef ESLOPE
 					, *rover->b_slope
 #endif
+					, frontsector->floor_scalex
 					);
 
 #ifdef ESLOPE
@@ -1044,6 +1047,7 @@ static void R_Subsector(size_t num)
 #ifdef ESLOPE
 					, *rover->t_slope
 #endif
+					, frontsector->ceiling_scalex
 					);
 
 #ifdef ESLOPE
@@ -1094,6 +1098,7 @@ static void R_Subsector(size_t num)
 #ifdef ESLOPE
 					, NULL // will ffloors be slopable eventually?
 #endif
+					, polysec->floor_scalex
 					);
 
 				ffloor[numffloors].height = polysec->floorheight;
@@ -1122,6 +1127,7 @@ static void R_Subsector(size_t num)
 #ifdef ESLOPE
 					, NULL // will ffloors be slopable eventually?
 #endif
+					, polysec->ceiling_scalex
 					);
 
 				ffloor[numffloors].polyobj = po;
diff --git a/src/r_plane.c b/src/r_plane.c
index f96e7950e..621fd4941 100644
--- a/src/r_plane.c
+++ b/src/r_plane.c
@@ -322,6 +322,7 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
 #ifdef ESLOPE
 			, pslope_t *slope
 #endif
+			, fixed_t scale
 			)
 {
 	visplane_t *check;
@@ -390,6 +391,7 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
 #ifdef ESLOPE
 			&& check->slope == slope
 #endif
+			&& check->scale == scale
 			)
 		{
 			return check;
@@ -405,6 +407,7 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
 	check->maxx = -1;
 	check->xoffs = xoff;
 	check->yoffs = yoff;
+	check->scale = scale;
 	check->extra_colormap = planecolormap;
 	check->ffloor = pfloor;
 	check->viewx = viewx;
@@ -490,6 +493,7 @@ visplane_t *R_CheckPlane(visplane_t *pl, INT32 start, INT32 stop)
 #ifdef ESLOPE
 		new_pl->slope = pl->slope;
 #endif
+		new_pl->scale = pl->scale;
 		pl = new_pl;
 		pl->minx = start;
 		pl->maxx = stop;
@@ -989,9 +993,9 @@ void R_DrawSinglePlane(visplane_t *pl)
 		viewangle = pl->viewangle+pl->plangle;
 	}
 
-	xoffs = pl->xoffs;
-	yoffs = pl->yoffs;
-	planeheight = abs(pl->height - pl->viewz);
+	xoffs = FixedMul(pl->scale, pl->xoffs);
+	yoffs = FixedMul(pl->scale, pl->yoffs);
+	planeheight = FixedMul(pl->scale, abs(pl->height - pl->viewz));
 
 	currentplane = pl;
 	levelflat = &levelflats[pl->picnum];
diff --git a/src/r_plane.h b/src/r_plane.h
index d9ba5c56b..717720796 100644
--- a/src/r_plane.h
+++ b/src/r_plane.h
@@ -46,6 +46,8 @@ typedef struct visplane_s
 
 	fixed_t xoffs, yoffs; // Scrolling flats.
 
+	fixed_t scale;	// Scale.
+
 	struct ffloor_s *ffloor;
 #ifdef POLYOBJECTS_PLANES
 	polyobj_t *polyobj;
@@ -89,6 +91,7 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel, fixed_t
 #ifdef ESLOPE
 	, pslope_t *slope
 #endif
+	, fixed_t scale
 	);
 visplane_t *R_CheckPlane(visplane_t *pl, INT32 start, INT32 stop);
 void R_ExpandPlane(visplane_t *pl, INT32 start, INT32 stop);