diff --git a/MagickCore/profile.c b/MagickCore/profile.c
index c3f92f3..7461072 100644
--- a/MagickCore/profile.c
+++ b/MagickCore/profile.c
@@ -103,7 +103,7 @@
 /*
   Typedef declarations
 */
-struct ProfileInfo
+struct _ProfileInfo
 {
   char
     *name;