diff --git a/source/build/src/polymost.cpp b/source/build/src/polymost.cpp
index ef9c09da5..e20f47bf9 100644
--- a/source/build/src/polymost.cpp
+++ b/source/build/src/polymost.cpp
@@ -2897,6 +2897,7 @@ void polymost_drawsprite(int32_t snum)
 
             vec2_16_t tempsiz = { (int16_t)tsiz.x, (int16_t)tsiz.y };
             pow2xsplit = 0;
+            if (globalshade > 63) globalshade = 63; // debug
             polymost_drawpoly(pxy, 4, method, tempsiz);
 
             drawpoly_srepeat = 0;
diff --git a/source/glbackend/glbackend.cpp b/source/glbackend/glbackend.cpp
index a88ddc97d..8b87857f2 100644
--- a/source/glbackend/glbackend.cpp
+++ b/source/glbackend/glbackend.cpp
@@ -159,6 +159,15 @@ void GLInstance::SetFade(int index)
 	renderState.FogColor = lookups.getFade(index);
 }
 
+extern int globalpal;
+void GLInstance::SetShade(int32_t shade, int numshades)
+{
+	// Ugh... This particular palette does not fade to black. Should be handled better. 
+	// It's really too bad that everything runs through here without being able to identify it anymore.
+	renderState.drawblack = (!(g_gameType & GAMEFLAG_PSEXHUMED) || globalpal != 4) ? shade > numshades : false;
+	renderState.Shade = std::min(shade, numshades - 1);
+}
+
 bool PolymostRenderState::Apply(FRenderState& state, GLState& oldState)
 {
 	// Fog must be done before the texture so that the texture selector can override it.
diff --git a/source/glbackend/glbackend.h b/source/glbackend/glbackend.h
index 738f0e234..4cd6c1305 100644
--- a/source/glbackend/glbackend.h
+++ b/source/glbackend/glbackend.h
@@ -113,11 +113,7 @@ public:
 	void SetPalswap(int index);
 	void SetFade(int palette);
 
-	void SetShade(int32_t shade, int numshades)
-	{
-		renderState.drawblack = shade > numshades;
-		renderState.Shade = std::min(shade, numshades-1);
-	}
+	void SetShade(int32_t shade, int numshades);
 
 	void SetVisibility(float visibility)
 	{