diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 3c17f1495..274ec533d 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,9 +1,14 @@
+2015-08-14  Corinna Vinschen  <corinna@vinschen.de>
+
+	* security.cc (convert_samba_sd): Fix copy/paste error in previous
+	patch.
+
 2015-08-14  Corinna Vinschen  <corinna@vinschen.de>
 
 	* fhandler_disk_file.cc (fhandler_base::fstat_by_nfs_ea): Only try
 	to map user and group info per RFC2307 if account info is fetched
 	from Windows account DB.
-	(convert_samba_sd): Ditto.
+	* security.cc (convert_samba_sd): Ditto.
 
 2015-08-14  Corinna Vinschen  <corinna@vinschen.de>
 
diff --git a/winsup/cygwin/security.cc b/winsup/cygwin/security.cc
index 939dc35e0..5e771e257 100644
--- a/winsup/cygwin/security.cc
+++ b/winsup/cygwin/security.cc
@@ -1158,7 +1158,7 @@ convert_samba_sd (security_descriptor &sd_ret)
 		if (uid < UNIX_POSIX_OFFSET && (pwd = internal_getpwuid (uid)))
 		  ace_sid.getfrompw (pwd);
 	      }
-	    else if (sid_sub_auth (ace_sid, 0) == 1 /* group */
+	    else if (sid_sub_auth (ace_sid, 0) == 2 /* group */
 		     && cygheap->pg.nss_grp_db ())
 	      {
 		struct group *grp;