diff --git a/WickedEngine/shaders/volumetricLight_SpotPS.hlsl b/WickedEngine/shaders/volumetricLight_SpotPS.hlsl
index 6603ad1e5..eb4ff9ce0 100644
--- a/WickedEngine/shaders/volumetricLight_SpotPS.hlsl
+++ b/WickedEngine/shaders/volumetricLight_SpotPS.hlsl
@@ -116,7 +116,7 @@ float4 main(VertexToPixel input) : SV_TARGET
 				shadow_pos.xyz /= shadow_pos.w;
 				float2 shadow_uv = shadow_pos.xy * float2(0.5f, -0.5f) + float2(0.5f, 0.5f);
 				[branch]
-				if ((saturate(shadow_uv.x) == shadow_uv.x) && (saturate(shadow_uv.y) == shadow_uv.y))
+				if (is_saturated(shadow_uv))
 				{
 					attenuation *= shadow_2D(light, shadow_pos.z, shadow_uv.xy, 0, input.pos.xy);
 				}
diff --git a/WickedEngine/shaders/volumetriclight_rectanglePS.hlsl b/WickedEngine/shaders/volumetriclight_rectanglePS.hlsl
index fe58e62b7..7179b7975 100644
--- a/WickedEngine/shaders/volumetriclight_rectanglePS.hlsl
+++ b/WickedEngine/shaders/volumetriclight_rectanglePS.hlsl
@@ -102,7 +102,7 @@ float4 main(VertexToPixel input) : SV_TARGET
 			shadow_pos.xyz /= shadow_pos.w;
 			float2 shadow_uv = clipspace_to_uv(shadow_pos.xy);
 			[branch]
-			if (is_saturated(shadow_uv.x))
+			if (is_saturated(shadow_uv))
 			{
 				attenuation *= shadow_2D(light, shadow_pos.z, shadow_uv.xy, 0, input.pos.xy);
 			}