diff --git a/wand/mogrify.c b/wand/mogrify.c
index a29587b..c73dbba 100644
--- a/wand/mogrify.c
+++ b/wand/mogrify.c
@@ -182,7 +182,7 @@
               status=MagickTrue;
             CatchException(exception);
           }
-        if ((metadata != (char *) NULL) && (*metadata != (char *) NULL))
+        if ((metadata != (char **) NULL) && (*metadata != (char *) NULL))
           {
             (void) fputs(*metadata,stdout);
             (void) fputc('\n',stdout);