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 *),