diff --git a/Source/Core/Map/Sector.cs b/Source/Core/Map/Sector.cs
index 62054f87..5111e9ea 100755
--- a/Source/Core/Map/Sector.cs
+++ b/Source/Core/Map/Sector.cs
@@ -429,7 +429,8 @@ namespace CodeImp.DoomBuilder.Map
 			flatvertices.CopyTo(updateinfo.floorvertices, 0);
 			General.Plugins.OnSectorFloorSurfaceUpdate(this, ref updateinfo.floorvertices);
 			updateinfo.floortexture = longfloortexname;
-			
+			updateinfo.desaturation = this.Desaturation;
+
 			// Update entry
 			General.Map.CRenderer2D.Surfaces.UpdateSurfaces(surfaceentries, updateinfo);
 			General.Map.CRenderer2D.Surfaces.UnlockBuffers();
diff --git a/Source/Core/Rendering/Renderer2D.cs b/Source/Core/Rendering/Renderer2D.cs
index e41650c7..09e48576 100755
--- a/Source/Core/Rendering/Renderer2D.cs
+++ b/Source/Core/Rendering/Renderer2D.cs
@@ -1575,7 +1575,8 @@ namespace CodeImp.DoomBuilder.Rendering
 				graphics.SetAlphaBlendEnable(false);
 				graphics.SetAlphaTestEnable(false);
 				graphics.SetUniform(UniformName.texturefactor, new Color4(1f, 1f, 1f, 1f));
-                SetWorldTransformation(true);
+				graphics.SetUniform(UniformName.desaturation, 0.0f);
+				SetWorldTransformation(true);
 				SetDisplay2DSettings(1f, 1f, 0f, 1f, General.Settings.ClassicBilinear);
 					
 				// Prepare for rendering