diff --git a/resources/shaders/game.v.glsl b/resources/shaders/game.v.glsl
index 7cbf8fe6..44703ab1 100644
--- a/resources/shaders/game.v.glsl
+++ b/resources/shaders/game.v.glsl
@@ -48,7 +48,7 @@ void main() {
 	v_texCoord = texCoord;
 	v_lightValue = lightValue;
 
-	if (ambientOcclusion != 5) {
+	if (ambientOcclusion != 4) {
 		const float aovalues[] = float[](0.4, 0.6, 0.8, 1.0);
 		v_ambientOcclusion = aovalues[int(ambientOcclusion)];
 	} else {
diff --git a/source/client/core/Vertex.hpp b/source/client/core/Vertex.hpp
index f57dd050..6d0fda35 100644
--- a/source/client/core/Vertex.hpp
+++ b/source/client/core/Vertex.hpp
@@ -35,7 +35,7 @@ struct Vertex {
 	GLfloat color[4]        = {0, 0, 0, 1};
 	GLfloat normal[3]       = {0, 0, 0};
 	GLfloat lightValue[2]   = {-1, -1};
-	GLfloat ambientOcclusion = 5;
+	GLfloat ambientOcclusion = 4;
 };
 
 #endif // VERTEX_HPP_
diff --git a/source/client/world/ChunkMeshBuilder.cpp b/source/client/world/ChunkMeshBuilder.cpp
index 9885f421..4866b955 100644
--- a/source/client/world/ChunkMeshBuilder.cpp
+++ b/source/client/world/ChunkMeshBuilder.cpp
@@ -283,7 +283,7 @@ inline void ChunkMeshBuilder::addCubeFace(s8f x, s8f y, s8f z, s8f f, ChunkMeshB
 
 	auto addVertex = [&](u8 v) {
 		if (Config::ambientOcclusion != 1 || blockState.isLightSource())
-			vertices[v].ambientOcclusion = 5;
+			vertices[v].ambientOcclusion = 4;
 
 		if (blockState.drawType() == BlockDrawType::Liquid)
 			job.vertices[ChunkMeshLayer::Liquid].emplace_back(vertices[v]);
@@ -369,7 +369,7 @@ inline void ChunkMeshBuilder::addCross(s8f x, s8f y, s8f z, ChunkMeshBuildingJob
 			vertices[v].lightValue[0] = job.chunkData.getSunlight(x, y, z);
 			vertices[v].lightValue[1] = job.chunkData.getTorchlight(x, y, z);
 
-			vertices[v].ambientOcclusion = 5;
+			vertices[v].ambientOcclusion = 4;
 		}
 
 		job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[0]);