diff --git a/ChangeLog b/ChangeLog
index e24281bfba..be8a1f08c5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,10 @@
 2006-08-03  Ulrich Drepper  <drepper@redhat.com>
 
+
 	* grp/initgroups.c (internal_getgrouplist): Remove unnecessary
 	test introduced in patch for bz #661.
-	(getgrouplist): Simplify code a bit.
+	(getgrouplist): Simplify code a bit.  Don't allocate one additional
+	element on NEWGROUPS.
 
 	[BZ #2908]
 	* stdio-common/printf_fphex.c (__printf_fphex): When rounding up
diff --git a/grp/initgroups.c b/grp/initgroups.c
index 1cc07b6bef..883ea71680 100644
--- a/grp/initgroups.c
+++ b/grp/initgroups.c
@@ -144,7 +144,7 @@ getgrouplist (const char *user, gid_t group, gid_t *groups, int *ngroups)
 {
   long int size = MAX (1, *ngroups);
 
-  gid_t *newgroups = (gid_t *) malloc ((size + 1) * sizeof (gid_t));
+  gid_t *newgroups = (gid_t *) malloc (size * sizeof (gid_t));
   if (__builtin_expect (newgroups == NULL, 0))
     /* No more memory.  */
     // XXX This is wrong.  The user provided memory, we have to use