diff --git a/EffectLab/Effect.py b/EffectLab/Effect.py
index 55bb12c..950d852 100755
--- a/EffectLab/Effect.py
+++ b/EffectLab/Effect.py
@@ -81,10 +81,10 @@ def filter(self, im):
 
         # fill empty color
         data = im.transform(im.size, Image.QUAD, matrix,
-                          Image.BILINEAR, 1)
+                          Image.BILINEAR)
         mask = Image.new("L", im.size, 255)
         mask = mask.transform(im.size, Image.QUAD, matrix,
-                          Image.BILINEAR, 1) 
+                          Image.BILINEAR)
         imout = Image.new("RGB", im.size, self.empty_color)
         imout.paste(data, mask)