diff --git a/src/rendering/polyrenderer/drawers/screen_shader.cpp b/src/rendering/polyrenderer/drawers/screen_shader.cpp
index ed446ad2ae..1d6a7defa8 100644
--- a/src/rendering/polyrenderer/drawers/screen_shader.cpp
+++ b/src/rendering/polyrenderer/drawers/screen_shader.cpp
@@ -46,13 +46,22 @@ static uint32_t SampleTexture(uint32_t u, uint32_t v, const void* texPixels, int
 
 static void EffectFogBoundary(int x0, int x1, PolyTriangleThreadData* thread)
 {
+	float uFogDensity = thread->PushConstants->uFogDensity;
+	uint32_t fogcolor = MAKEARGB(
+		0,
+		static_cast<int>(clamp(thread->mainVertexShader.Data.uFogColor.r, 0.0f, 1.0f) * 255.0f),
+		static_cast<int>(clamp(thread->mainVertexShader.Data.uFogColor.g, 0.0f, 1.0f) * 255.0f),
+		static_cast<int>(clamp(thread->mainVertexShader.Data.uFogColor.b, 0.0f, 1.0f) * 255.0f));
+
 	uint32_t* fragcolor = thread->scanline.FragColor;
 	for (int x = x0; x < x1; x++)
 	{
-		/*float fogdist = pixelpos.w;
-		float fogfactor = exp2(uFogDensity * fogdist);
-		FragColor = vec4(uFogColor.rgb, 1.0 - fogfactor);*/
-		fragcolor[x] = 0;
+		float fogdist = thread->scanline.W[x];
+		float fogfactor = std::exp2(uFogDensity * fogdist);
+
+		// FragColor = vec4(uFogColor.rgb, 1.0 - fogfactor):
+		uint32_t alpha = static_cast<int>(clamp(1.0f - (1.0f / 255.0f), 0.0f, 1.0f) * 255.0f);
+		fragcolor[x] = fogcolor | alpha;
 	}
 }