...
diff --git a/coders/inline.c b/coders/inline.c
index 0030436..e437fe7 100644
--- a/coders/inline.c
+++ b/coders/inline.c
@@ -123,7 +123,7 @@
       image_info->filename);
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickCoreSignature);
-  if (LocaleCompare(image_info->magick,"DATA") == 0)
+  if (LocaleNCompare(image_info->filename,"data:",5) == 0)
     {
       char
         *filename;