diff --git a/ChangeLog b/ChangeLog
index 2e7a0281a1..191c08d53d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -37,6 +37,7 @@
 	_hurd_critical_section_lock, _hurd_critical_section_unlock):
 	Explicit casts from void *.
 	* sysdeps/mach/hurd/tls.h: Include <stdint.h> and <sysdep.h>.
+	* abi-tags: Rename gnu-gnu os into gnu.
 
 	[BZ #4719]
 	* sysdeps/mach/hurd/bits/ioctls.h (_IOT__IOTBASE_long, _IOT_char,
diff --git a/abi-tags b/abi-tags
index 87cd6816a9..b2ed6f3e96 100644
--- a/abi-tags
+++ b/abi-tags
@@ -18,7 +18,7 @@
 
 .*-.*-linux.*		0	2.0.0	# earliest compatible kernel version
 
-.*-.*-gnu-gnu.*		1	0.0.0
+.*-.*-gnu.*		1	0.0.0
 
 .*-sun-solaris2.*	2	2.0.0	# just an arbitrary value