diff --git a/Assets/Scripts/Docs/Graphics/Graphics_Blit.cs b/Assets/Scripts/Docs/Graphics/Graphics_Blit.cs
index 6760898..805f4ba 100644
--- a/Assets/Scripts/Docs/Graphics/Graphics_Blit.cs
+++ b/Assets/Scripts/Docs/Graphics/Graphics_Blit.cs
@@ -26,7 +26,7 @@ void OnPostRender()
         {
             // Copies source texture into destination render texture with a shader
             // Destination RenderTexture is null to blit directly to screen
-            Graphics.Blit(displayTexture, null, mat);
+            Graphics.Blit(displayTexture, null as RenderTexture, mat);
         }
     }
 }
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