diff --git a/Source/Core/Data/DataManager.cs b/Source/Core/Data/DataManager.cs
index b0dcce07..5cae17a0 100755
--- a/Source/Core/Data/DataManager.cs
+++ b/Source/Core/Data/DataManager.cs
@@ -3466,9 +3466,10 @@ namespace CodeImp.DoomBuilder.Data
 
             // Begin fullbright shaderpass
             General.Map.Graphics.SetShader(ShaderName.world3d_fullbright);
+            General.Map.Graphics.SetUniform(UniformName.fogsettings, new Vector4(-1.0f));
 
-			// Render to the six faces of the cube map
-			for(int i = 0; i < 6; i++)
+            // Render to the six faces of the cube map
+            for (int i = 0; i < 6; i++)
 			{
 				Matrix faceview = GetCubeMapViewMatrix((CubeMapFace)i);
                 General.Map.Graphics.SetUniform(UniformName.world, mworld);
diff --git a/Source/Native/RenderDevice.cpp b/Source/Native/RenderDevice.cpp
index e2bbc72c..3d7f3d48 100644
--- a/Source/Native/RenderDevice.cpp
+++ b/Source/Native/RenderDevice.cpp
@@ -82,6 +82,7 @@ void RenderDevice::SetAlphaTestEnable(bool value)
 		mAlphaTest = value;
 		mNeedApply = true;
 		mShaderChanged = true;
+		mUniformsChanged = true;
 	}
 }