diff --git a/Templates/Full/game/shaders/common/lighting/advanced/vectorLightP.hlsl b/Templates/Full/game/shaders/common/lighting/advanced/vectorLightP.hlsl
index c141f9d5d..8ebe65e6a 100644
--- a/Templates/Full/game/shaders/common/lighting/advanced/vectorLightP.hlsl
+++ b/Templates/Full/game/shaders/common/lighting/advanced/vectorLightP.hlsl
@@ -234,9 +234,14 @@ float4 main(FarFrustumQuadConnectP IN) : SV_TARGET
       #endif
 
    #endif //NO_SHADOW
+   float3 ao = float3(1,1,1);
+   // Sample the AO texture.
+   #ifdef USE_SSAO_MASK
+      ao = 1.0 - TORQUE_TEX2D( ssaoMask, viewportCoordToRenderTarget( IN.uv0.xy, rtParams3 ) ).r;
+   #endif
    
    //get directional light contribution   
-   float3 lighting = getDirectionalLight(surface, surfaceToLight, lightingColor.rgb, lightBrightness, shadow);
+   float3 lighting = getDirectionalLight(surface, surfaceToLight, lightingColor.rgb, lightBrightness, shadow+ao);
 
    return float4(lighting, 0);
 }