diff --git a/ChangeLog b/ChangeLog
index bc6b8fd18..daf5517dc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-08-01  Colin Watson  <cjwatson@ubuntu.com>
+
+	* include/grub/util/libzfs.h (libzfs_init): Set argument list to
+	(void) rather than () so that this is a proper prototype.
+
 2010-08-01  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* lib/arg.c (grub_arg_show_help): Add the necessary spacing.
diff --git a/include/grub/util/libzfs.h b/include/grub/util/libzfs.h
index 9fbfd40d1..0500f70d7 100644
--- a/include/grub/util/libzfs.h
+++ b/include/grub/util/libzfs.h
@@ -30,7 +30,7 @@
 typedef void libzfs_handle_t;
 typedef void zpool_handle_t;
 
-extern libzfs_handle_t *libzfs_init ();
+extern libzfs_handle_t *libzfs_init (void);
 extern void libzfs_fini (libzfs_handle_t *);
 
 extern zpool_handle_t *zpool_open (libzfs_handle_t *, const char *);