diff --git a/magick/effect.c b/magick/effect.c
index 7378941..21aefe8 100644
--- a/magick/effect.c
+++ b/magick/effect.c
@@ -5153,7 +5153,8 @@
progress=0;
GetMagickPixelPacket(spread_image,&bias);
width=GetOptimalKernelWidth1D(radius,0.5);
- resample_filter=AcquireResampleFilterThreadSet(image,MagickTrue,exception);
+ resample_filter=AcquireResampleFilterThreadSet(image,
+ UndefinedVirtualPixelMethod,MagickTrue,exception);
random_info=AcquireRandomInfoThreadSet();
image_view=AcquireCacheView(spread_image);
#if defined(MAGICKCORE_OPENMP_SUPPORT)