diff --git a/ChangeLog b/ChangeLog
index d3049397b8..92615ed339 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2019-03-01  Florian Weimer  <fweimer@redhat.com>
+
+	[BZ #20271]
+	* sysdeps/unix/sysv/linux/netlink_assert_response.c
+	(__netlink_assert_response): Add additional missing newlines.
+
 2019-02-28  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/powerpc/powerpc32/dl-machine.c
diff --git a/sysdeps/unix/sysv/linux/netlink_assert_response.c b/sysdeps/unix/sysv/linux/netlink_assert_response.c
index b86c246341..6e0fa8756a 100644
--- a/sysdeps/unix/sysv/linux/netlink_assert_response.c
+++ b/sysdeps/unix/sysv/linux/netlink_assert_response.c
@@ -92,12 +92,12 @@ __netlink_assert_response (int fd, ssize_t result)
       if (family < 0)
           __snprintf (message, sizeof (message),
                       "Unexpected netlink response of size %zd"
-                      " on descriptor %d",
+                      " on descriptor %d\n",
                       result, fd);
       else
           __snprintf (message, sizeof (message),
                       "Unexpected netlink response of size %zd"
-                      " on descriptor %d (address family %d)",
+                      " on descriptor %d (address family %d)\n",
                       result, fd, family);
       __libc_fatal (message);
     }