diff --git a/MagickCore/resample.h b/MagickCore/resample.h
index b33c333..253a0f8 100644
--- a/MagickCore/resample.h
+++ b/MagickCore/resample.h
@@ -86,7 +86,7 @@
 extern MagickExport void
   ScaleResampleFilter(ResampleFilter *,const double,const double,const double,
     const double),
-  SetResampleFilter(ResampleFilter *,const FilterTypes,const double);
+  SetResampleFilter(ResampleFilter *,const FilterTypes);
 
 #if defined(__cplusplus) || defined(c_plusplus)
 }