diff --git a/ChangeLog b/ChangeLog
index 783e6c3f..975bba57 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -13,6 +13,7 @@
 2008-05-26  Nicolas François  <nicolas.francois@centraliens.net>
 
 	* libmisc/failure.c (failcheck): The failed argument is a bool.
+	* libmisc/failure.h: Likewise.
 	* libmisc/failure.c (too_many_failures): too_many_failures returns
 	a bool.
 	* libmisc/failure.c: Add notes about unchecked return values.
diff --git a/libmisc/failure.h b/libmisc/failure.h
index 10ba2d90..dc36c948 100644
--- a/libmisc/failure.h
+++ b/libmisc/failure.h
@@ -57,7 +57,7 @@ extern void failure (uid_t, const char *, struct faillog *);
  *	returns FALSE to indicate that the login should be denied even though
  *	the password is valid.
  */
-extern int failcheck (uid_t, struct faillog *, int);
+extern int failcheck (uid_t uid, struct faillog *fl, bool failed);
 
 /*
  * failprint - print line of failure information