(no commit message)

diff --git a/coders/histogram.c b/coders/histogram.c
index c07d470348423307235b71f23d44dce9ba46932b..1964f55f08cf23b0a1785c29008d3e0d5cd8a4bc 100644 (file)
--- a/coders/histogram.c
+++ b/coders/histogram.c
@@ -339,7 +339,7 @@ static MagickBooleanType WriteHISTOGRAMImage(const ImageInfo *image_info,
   }
   histogram=(PixelInfo *) RelinquishMagickMemory(histogram);
   option=GetImageOption(image_info,"histogram:unique-colors");
-  if ((option == (const char *) NULL) || (IsMagickTrue(option) != MagickFalse))
+  if ((option == (const char *) NULL) || (IsStringTrue(option) != MagickFalse))
     {
       FILE
         *file;