diff --git a/src/common/rendering/hwrenderer/postprocessing/hw_postprocess.cpp b/src/common/rendering/hwrenderer/postprocessing/hw_postprocess.cpp
index 6f0fa00df..63a695bef 100644
--- a/src/common/rendering/hwrenderer/postprocessing/hw_postprocess.cpp
+++ b/src/common/rendering/hwrenderer/postprocessing/hw_postprocess.cpp
@@ -839,11 +839,11 @@ void PPAmbientOcclusion::Render(PPRenderState *renderstate, float m5, int sceneW
 	renderstate->Shader = gl_multisample > 1 ? &CombineMS : &Combine;
 	renderstate->Uniforms.Set(combineUniforms);
 	renderstate->Viewport = screen->mSceneViewport;
+	renderstate->SetInputTexture(0, &Ambient0, PPFilterMode::Linear);
 	if (gl_ssao_debug < 4)
-		renderstate->SetInputTexture(0, &Ambient0, PPFilterMode::Linear);
+		renderstate->SetInputSceneFog(1);
 	else
-		renderstate->SetInputSceneNormal(0, PPFilterMode::Linear);
-	renderstate->SetInputSceneFog(1);
+		renderstate->SetInputSceneNormal(1, PPFilterMode::Linear);
 	renderstate->SetOutputSceneColor();
 	if (gl_ssao_debug != 0)
 		renderstate->SetNoBlend();
diff --git a/wadsrc/static/shaders/pp/ssaocombine.fp b/wadsrc/static/shaders/pp/ssaocombine.fp
index 0d592549f..9be5f32d4 100644
--- a/wadsrc/static/shaders/pp/ssaocombine.fp
+++ b/wadsrc/static/shaders/pp/ssaocombine.fp
@@ -37,5 +37,5 @@ void main()
 	else if (DebugMode == 3)
 		FragColor = vec4(ssao.yyy / 1000.0, 1.0);
 	else
-		FragColor = vec4(ssao.xyz, 1.0);
+		FragColor = vec4(fogColor, 1.0);
 }