diff --git a/src/cache.h b/src/cache.h
index 947816a..d9ab0da 100644
--- a/src/cache.h
+++ b/src/cache.h
@@ -86,6 +86,7 @@ struct ShaderCache {
         compile(Core::passShadow, Shader::ENTITY, fx, rsShadow);
         compile(Core::passShadow, Shader::ENTITY, fx, rsShadow | RS_DISCARD);
         compile(Core::passShadow, Shader::MIRROR, fx, rsShadow);
+        compile(Core::passShadow, Shader::MIRROR, fx, rsShadow | RS_DISCARD);
     }
 
     void prepareWater(int fx) {
diff --git a/src/level.h b/src/level.h
index 51c2f14..c41bbce 100644
--- a/src/level.h
+++ b/src/level.h
@@ -379,7 +379,7 @@ struct Level : IGame {
 
     virtual void setRoomParams(int roomIndex, Shader::Type type, float diffuse, float ambient, float specular, float alpha, bool alphaTest = false) {
         if (Core::pass == Core::passShadow) {
-            setShader(Core::pass, type);
+            setShader(Core::pass, type, false, alphaTest);
             return;
         }
 
diff --git a/src/shaders/shader.glsl b/src/shaders/shader.glsl
index ad88ebb..637847f 100644
--- a/src/shaders/shader.glsl
+++ b/src/shaders/shader.glsl
@@ -394,6 +394,8 @@ uniform vec4 uFogParams;
 			#ifdef PASS_COMPOSE
 				vec3 rv = reflect(-normalize(vViewVec.xyz), normalize(vNormal.xyz));
 				color = textureCube(sEnvironment, normalize(rv));
+			#else
+				color = vec4(1.0);
 			#endif
 		#else
 			#if defined(PASS_COMPOSE) && !defined(TYPE_SPRITE)