diff --git a/shaders/model_fs.glsl b/shaders/model_fs.glsl
index f9e799c2ec..2739e2dd33 100644
--- a/shaders/model_fs.glsl
+++ b/shaders/model_fs.glsl
@@ -52,6 +52,7 @@ void main()
 {
 	vec4 position = vs_position;
 	float depth = pscDepth(position);
+	depth = length(campos - position);
 	vec4 diffuse = texture(texture1, vs_st);
 	
 	diffuse[3] = fading;
@@ -89,5 +90,5 @@ void main()
 		ABufferStruct_t frag = createGeometryFragment(diffuse, position, depth);
 		addToBuffer(frag);	
 	}
-	
+
 }
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 0b7e94a4d9..9005b246f8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -79,6 +79,10 @@ int main(int argc, char** argv) {
 	sgct::MessageHandler::instance()->setLogToCallback(true);
 	sgct::MessageHandler::instance()->setLogCallback(mainLogCallback);
 
+#ifdef __APPLE__
+    glfwWindowHint(GLFW_STENCIL_BITS, 8);
+#endif
+    
 	LDEBUG("Creating SGCT Engine");
     _sgctEngine = new sgct::Engine(newArgc, newArgv);