diff --git a/source/build/src/polymost.cpp b/source/build/src/polymost.cpp
index 7c98d5c96..f6582ff06 100644
--- a/source/build/src/polymost.cpp
+++ b/source/build/src/polymost.cpp
@@ -3182,7 +3182,7 @@ void polymost_drawrooms()
     GLInterface.EnableBlend(false);
     GLInterface.EnableAlphaTest(false);
     GLInterface.EnableDepthTest(true);
-	GLInterface.SetDepthFunc(Depth_Always);
+	GLInterface.SetDepthFunc(Depth_LessEqual);
 
 	GLInterface.SetBrightness(r_scenebrightness);