diff --git a/MagickWand/magick-image.h b/MagickWand/magick-image.h
index 8e2cb98..1f3e198 100644
--- a/MagickWand/magick-image.h
+++ b/MagickWand/magick-image.h
@@ -118,7 +118,7 @@
   MagickDistortImage(MagickWand *,const DistortImageMethod,const size_t,
     const double *,const MagickBooleanType),
   MagickDrawImage(MagickWand *,const DrawingWand *),
-  MagickEdgeImage(MagickWand *,const double),
+  MagickEdgeImage(MagickWand *,const double,const double),
   MagickEmbossImage(MagickWand *,const double,const double),
   MagickEncipherImage(MagickWand *,const char *),
   MagickEnhanceImage(MagickWand *),