diff --git a/vskernels/util.py b/vskernels/util.py
index 6212989..ba38c46 100644
--- a/vskernels/util.py
+++ b/vskernels/util.py
@@ -115,9 +115,10 @@ class LinearLightProcessing(cachedproperty.baseclass):
 
         @cachedproperty
         def linear(self) -> vs.VideoNode:
+            wclip = self.ll._wclip
 
             if self.ll._wclip.format.color_family is vs.YUV:
-                wclip = Catrom.from_param(self.ll.kernel).resample(self.ll._wclip, vs.RGBS, None, self.ll._matrix)
+                wclip = Catrom.from_param(self.ll.kernel).resample(wclip, vs.RGBS, None, self.ll._matrix)
 
             if self.ll.linear:
                 wclip = Point.scale_function(wclip, transfer_in=self.ll._curve, transfer=Transfer.LINEAR)