...

diff --git a/coders/wbmp.c b/coders/wbmp.c
index 66232acdf69a168665acb14a184fad078012cabd..7a0882f4a15b9c845b519ae04b25b84d436eb3a2 100644 (file)
--- a/coders/wbmp.c
+++ b/coders/wbmp.c
@@ -160,7 +160,7 @@ static Image *ReadWBMPImage(const ImageInfo *image_info,
       return((Image *) NULL);
     }
   header=0;
-  if (ReadBlob(image,2,(unsigned char *) &header) == 0)
+  if (ReadBlob(image,2,(unsigned char *) &header) != 2)
     ThrowReaderException(CorruptImageError,"ImproperImageHeader");
   if (header != 0)
     ThrowReaderException(CoderError,"OnlyLevelZerofilesSupported");