diff --git a/coders/webp.c b/coders/webp.c
index dc4d595..57b07a2 100644
--- a/coders/webp.c
+++ b/coders/webp.c
@@ -177,7 +177,7 @@
SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
if (GetPixelAlpha(image,q) != OpaqueAlpha)
image->matte=MagickTrue;
- q+=GetPixelComponents(image);
+ q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
@@ -378,7 +378,7 @@
if (image->matte != MagickFalse)
*q++=ScaleQuantumToChar((Quantum) (image->matte != MagickFalse ?
GetPixelAlpha(image,p) : OpaqueAlpha));
- p+=GetPixelComponents(image);
+ p+=GetPixelChannels(image);
}
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);