diff --git a/libntfs-3g/acls.c b/libntfs-3g/acls.c
index 51a7e7f5..925bb96d 100644
--- a/libntfs-3g/acls.c
+++ b/libntfs-3g/acls.c
@@ -4,7 +4,7 @@
  *	This module is part of ntfs-3g library, but may also be
  *	integrated in tools running over Linux or Windows
  *
- * Copyright (c) 2007-2014 Jean-Pierre Andre
+ * Copyright (c) 2007-2015 Jean-Pierre Andre
  *
  * This program/include file is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as published
@@ -2314,10 +2314,21 @@ return (0);
 					mapping,flags,pxace,pset);
 			break;
 
-		case POSIX_ACL_GROUP :
 		case POSIX_ACL_GROUP_OBJ :
+			/* denials and grants for group when needed */
+			if (pset->groupowns && !pset->adminowns
+			    && (pset->grpperms == pset->othperms)
+			    && !pset->designates && !pset->withmask) {
+				ok = TRUE;
+			} else {
+				ok = build_group_denials_grant(pacl,gsid,
+						mapping,flags,pxace,pset);
+			}
+			break;
 
-			/* denials and grants for groups */
+		case POSIX_ACL_GROUP :
+
+			/* denials and grants for designated groups */
 
 			ok = build_group_denials_grant(pacl,gsid,
 					mapping,flags,pxace,pset);
@@ -2574,7 +2585,6 @@ static int buildacls(char *secattr, int offs, mode_t mode, int isdir,
 	/* this ACE will be inserted after denials for group */
 
 	if (adminowns
-	    || groupowns
 	    || (((mode >> 3) ^ mode) & 7)) {
 		grants = WORLD_RIGHTS;
 		if (isdir) {
diff --git a/src/secaudit.c b/src/secaudit.c
index 66e8f4b3..af408878 100644
--- a/src/secaudit.c
+++ b/src/secaudit.c
@@ -1,7 +1,7 @@
 /*
  *		 Display and audit security attributes in an NTFS volume
  *
- * Copyright (c) 2007-2014 Jean-Pierre Andre
+ * Copyright (c) 2007-2015 Jean-Pierre Andre
  * 
  *	Options :
  *		-a auditing security data
@@ -215,6 +215,9 @@
  *
  *  Dec 2014, version 1.4.3
  *     - fixed displaying "UserMapping" as a file name
+ *
+ *  Mar 2015, version 1.4.5
+ *     - adapted to new NTFS ACLs when owner is same as group
  */
 
 /*
@@ -238,7 +241,7 @@
  *		General parameters which may have to be adapted to needs
  */
 
-#define AUDT_VERSION "1.4.3"
+#define AUDT_VERSION "1.4.5"
 
 #define GET_FILE_SECURITY "ntfs_get_file_security"
 #define SET_FILE_SECURITY "ntfs_set_file_security"
@@ -3732,14 +3735,14 @@ void basictest(int kind, BOOL isdir, const SID *owner, const SID *group)
 		24064, 28160,
 		24064, 28160,
 		24064, 28160,
-		25416, 29512
+		24904, 29000
 	} ;
 	u32 expecthash[] = {
 		0x8f80865b, 0x7bc7960,
 		0x8fd9ecfe, 0xddd4db0,
 		0xa8b07400, 0xa189c20,
 		0xc5689a00, 0xb6c09000,
-		0x94bfb419, 0xa4311791
+		0xb040e509, 0x4f4db7f7
 	} ;
 #if POSIXACLS
 	struct POSIX_SECURITY *pxdesc;
@@ -3881,7 +3884,8 @@ void basictest(int kind, BOOL isdir, const SID *owner, const SID *group)
 		(unsigned long)count,(unsigned long)acecount,
 		(unsigned long)acecount/count,acecount*100L/count%100L);
 	if (acecount != expectcnt[kind]) {
-		printf("** Error : expected ACE count %lu\n",
+		printf("** Error : ACE count %lu instead of %lu\n",
+			(unsigned long)acecount,
 			(unsigned long)expectcnt[kind]);
 		errors++;
 	}
@@ -3895,7 +3899,8 @@ void basictest(int kind, BOOL isdir, const SID *owner, const SID *group)
 		(unsigned long)pxcount,(unsigned long)pxacecount,
 		(unsigned long)pxacecount/pxcount,pxacecount*100L/pxcount%100L);
 	if (pxacecount != expectcnt[kind]) {
-		printf("** Error : expected ACE count %lu\n",
+		printf("** Error : ACE count %lu instead of %lu\n",
+			(unsigned long)pxacecount,
 			(unsigned long)expectcnt[kind]);
 		errors++;
 	}