diff --git a/worldgen-c/bin/worldgen b/worldgen-c/bin/worldgen
index 8e6d727..e2a4ac7 100755
Binary files a/worldgen-c/bin/worldgen and b/worldgen-c/bin/worldgen differ
diff --git a/worldgen-c/src/worldgen.c b/worldgen-c/src/worldgen.c
index 95c0bad..e3288a0 100644
--- a/worldgen-c/src/worldgen.c
+++ b/worldgen-c/src/worldgen.c
@@ -3830,7 +3830,12 @@ static void generate_chunk_border_wall(worldgen_ctx *ctx, int chunk_x, int chunk
 			int smoothed_base = border_wall_ramp_base(ctx, side, along, wall_center, tower_spacing);
 			int prev_base = border_wall_ramp_base(ctx, side, along - 1, wall_center, tower_spacing);
 			int next_base = border_wall_ramp_base(ctx, side, along + 1, wall_center, tower_spacing);
-			int ramp_slope = next_base - prev_base;
+			int stair_slope = 0;
+			if (next_base > smoothed_base) {
+				stair_slope = 1;
+			} else if (prev_base > smoothed_base) {
+				stair_slope = -1;
+			}
 
 			int height = in_tower ? tower_height : wall_height;
 			int top = smoothed_base + height;
@@ -3865,9 +3870,7 @@ static void generate_chunk_border_wall(worldgen_ctx *ctx, int chunk_x, int chunk
 				if (rel_y <= 2 || rel_y % 6 == 0 || rel_y == height - 1) {
 					block = BLOCK_STONE_BRICKS;
 				}
-				if (side_dist >= wall_center - 1 && side_dist <= wall_center + 1 && rel_y == height && ramp_slope != 0) {
-					block = border_wall_ramp_stair_block(side, ramp_slope);
-				} else if (side_dist >= wall_center - 1 && side_dist <= wall_center + 1 && rel_y == height) {
+				if (side_dist >= wall_center - 1 && side_dist <= wall_center + 1 && rel_y == height) {
 					block = BLOCK_STONE_BRICKS;
 				}
 				if (ladder_face && rel_y >= 2 && rel_y <= height) {
@@ -3890,7 +3893,9 @@ static void generate_chunk_border_wall(worldgen_ctx *ctx, int chunk_x, int chunk
 			}
 			if (top + 1 < CHUNK_HEIGHT) {
 				int rail_opening = ladder_module && side_dist == wall_end && ladder_offset <= 1;
-				if (!in_tower && !rail_opening && (side_dist == wall_start || side_dist == wall_end)) {
+				if (side_dist >= wall_center - 1 && side_dist <= wall_center + 1 && stair_slope != 0) {
+					set_block_with_height(out, dx, dz, top + 1, border_wall_ramp_stair_block(side, stair_slope));
+				} else if (!in_tower && !rail_opening && (side_dist == wall_start || side_dist == wall_end)) {
 					uint16_t rail_block = (side < 2) ? BLOCK_IRON_BARS_NS : BLOCK_IRON_BARS_EW;
 					set_block_with_height(out, dx, dz, top + 1, rail_block);
 				} else if (in_tower && phase % 4 < 2) {