diff --git a/assets/map/upper_floor_hole.png b/assets/map/upper_floor_hole.png
new file mode 100644
index 00000000..43da7cd6
Binary files /dev/null and b/assets/map/upper_floor_hole.png differ
diff --git a/build_web.sh b/build_web.sh
index b5975bba..0fde576d 100755
--- a/build_web.sh
+++ b/build_web.sh
@@ -8,4 +8,4 @@ fi
 source ./emsdk/emsdk_env.sh
 mkdir -p build_web
 emcmake cmake -S . -B build_web -DPLATFORM=Web &&
-cmake --build build_web
\ No newline at end of file
+cd build_web && make -j $2
\ No newline at end of file
diff --git a/sources/Map/Map.cpp b/sources/Map/Map.cpp
index 6c2dc83c..8fdb1a37 100644
--- a/sources/Map/Map.cpp
+++ b/sources/Map/Map.cpp
@@ -19,7 +19,8 @@ namespace BBM
 	const std::string MapGenerator::secondFloorPath = MapGenerator::wallAssetsPath + "upper_floor";
 	const std::string MapGenerator::stairsPath = MapGenerator::wallAssetsPath + "stairs";
 	const std::string MapGenerator::bumperPath = MapGenerator::wallAssetsPath + "bumper";
-	const std::string MapGenerator::holePath = MapGenerator::wallAssetsPath + "hole";
+	const std::string MapGenerator::secondFloorPath = MapGenerator::wallAssetsPath + "hole";
+	const std::string MapGenerator::secondFloorHolePath = secondFloorPath + "_hole";
 
 	void MapGenerator::generateUnbreakableBlock(int width, int height, std::shared_ptr<WAL::Scene> scene)
 	{
@@ -158,6 +159,7 @@ namespace BBM
 	{
 		static const std::string holeObj = holePath + objExtension;
 		static const std::string holePng = holePath + imageExtension;
+		static const std::string secondFloor = secondFloorHolePath + imageExtension;
 
 		scene->addEntity("Hole Block")
 			.addComponent<PositionComponent>(Vector3f(coords.x, coords.y - 1, coords.z))
diff --git a/sources/Map/Map.hpp b/sources/Map/Map.hpp
index f08f25bd..eaf4415d 100644
--- a/sources/Map/Map.hpp
+++ b/sources/Map/Map.hpp
@@ -154,6 +154,8 @@ namespace BBM
 
 			static const std::string holePath;
 
+			static const std::string MapGenerator::secondFloorHolePath;
+
 		public:
 
 			//! @param width Width of the map