diff --git a/src/openrct2/paint/tile_element/Surface.cpp b/src/openrct2/paint/tile_element/Surface.cpp
index 6daaa7bcc9..01fb823766 100644
--- a/src/openrct2/paint/tile_element/Surface.cpp
+++ b/src/openrct2/paint/tile_element/Surface.cpp
@@ -386,8 +386,8 @@ static constexpr const tile_surface_boundary_data _tileSurfaceBoundaries[4] =
             SPR_TERRAIN_BOUNDARY_FENCES_2,
             SPR_TERRAIN_BOUNDARY_FENCES_6,
             SPR_TERRAIN_BOUNDARY_FENCES_4,
-            SPR_TERRAIN_BOUNDARY_FENCES_3,
-            SPR_TERRAIN_BOUNDARY_FENCES_5,
+            SPR_TERRAIN_BOUNDARY_FENCES_4,
+            SPR_TERRAIN_BOUNDARY_FENCES_6,
         },
         { 31, 0 },
         { 31,  1 },
@@ -412,8 +412,8 @@ static constexpr const tile_surface_boundary_data _tileSurfaceBoundaries[4] =
             SPR_TERRAIN_BOUNDARY_FENCES_2,
             SPR_TERRAIN_BOUNDARY_FENCES_4,
             SPR_TERRAIN_BOUNDARY_FENCES_6,
-            SPR_TERRAIN_BOUNDARY_FENCES_3,
-            SPR_TERRAIN_BOUNDARY_FENCES_5,
+            SPR_TERRAIN_BOUNDARY_FENCES_4,
+            SPR_TERRAIN_BOUNDARY_FENCES_6,
         },
         { 1, 1 },
         { 1,  1 },