diff --git a/ChangeLog b/ChangeLog
index f16addee2..9485dec3c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-11-09  Robert Millan  <rmh.grub@aybabtu.com>
+
+	* normal/auth.c: Include `<grub/time.h>'.
+	(grub_auth_strcmp): Replace `strcmp' with `grub_strcmp'.
+
 2009-11-09  Robert Millan  <rmh.grub@aybabtu.com>
 
 	* normal/auth.c (punishment_delay): New variable.
diff --git a/normal/auth.c b/normal/auth.c
index 0d3d5b2b2..41547e33c 100644
--- a/normal/auth.c
+++ b/normal/auth.c
@@ -22,6 +22,7 @@
 #include <grub/misc.h>
 #include <grub/env.h>
 #include <grub/normal.h>
+#include <grub/time.h>
 
 struct grub_auth_user
 {
@@ -42,7 +43,7 @@ grub_auth_strcmp (const char *s1, const char *s2)
   grub_uint64_t end;
 
   end = grub_get_time_ms () + 100;
-  ret = strcmp (s1, s2);
+  ret = grub_strcmp (s1, s2);
 
   /* This prevents an attacker from deriving information about the
      password from the time it took to execute this function.  */