diff --git a/WickedEngine/shaders/objectHF.hlsli b/WickedEngine/shaders/objectHF.hlsli
index a547daf51..7073a04ca 100644
--- a/WickedEngine/shaders/objectHF.hlsli
+++ b/WickedEngine/shaders/objectHF.hlsli
@@ -318,6 +318,10 @@ struct PixelInput
 	uint poi : INSTANCEPOINTER;
 #endif // OBJECTSHADER_USE_INSTANCEINDEX || OBJECTSHADER_USE_DITHERING || OBJECTSHADER_USE_CAMERAINDEX
 
+#if defined(PREPASS) && !defined(OBJECTSHADER_COMPILE_MS)
+	uint primitiveID : PRIMITIVEID;
+#endif // defined(PREPASS) && !defined(OBJECTSHADER_COMPILE_MS)
+
 #ifdef OBJECTSHADER_USE_UVSETS
 	float4 uvsets : UVSETS;
 #endif // OBJECTSHADER_USE_UVSETS
@@ -339,10 +343,6 @@ struct PixelInput
 	half4 color : COLOR;
 #endif // OBJECTSHADER_USE_COLOR
 
-#if defined(PREPASS) && !defined(OBJECTSHADER_COMPILE_MS)
-	uint primitiveID : PRIMITIVEID;
-#endif // defined(PREPASS) && !defined(OBJECTSHADER_COMPILE_MS)
-
 #if !defined(OBJECTSHADER_COMPILE_PS) && !defined(OBJECTSHADER_COMPILE_MS)
 #ifdef OBJECTSHADER_USE_RENDERTARGETARRAYINDEX
 	uint RTIndex : SV_RenderTargetArrayIndex;