diff --git a/bind-9.11-serve-stale-dbfix.patch b/bind-9.11-serve-stale-dbfix.patch
new file mode 100644
index 0000000..7091871
--- /dev/null
+++ b/bind-9.11-serve-stale-dbfix.patch
@@ -0,0 +1,42 @@
+From 20848d8284951481051f6ebdeb8128c05c7e82e2 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
+Date: Mon, 11 Nov 2019 16:56:52 +0100
+Subject: [PATCH] Move stale_ttl from middle to the end
+
+bind-dyndb-ldap is using rdataset structure. Do not modify its body,
+move stale_ttl to the end. Make it binary compatible.
+---
+ lib/dns/include/dns/rdataset.h | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/lib/dns/include/dns/rdataset.h b/lib/dns/include/dns/rdataset.h
+index 97071ed496..a0c6afe624 100644
+--- a/lib/dns/include/dns/rdataset.h
++++ b/lib/dns/include/dns/rdataset.h
+@@ -137,11 +137,6 @@ struct dns_rdataset {
+ 	dns_rdataclass_t		rdclass;
+ 	dns_rdatatype_t			type;
+ 	dns_ttl_t			ttl;
+-	/*
+-	 * Stale ttl is used to see how long this RRset can still be used
+-	 * to serve to clients, after the TTL has expired.
+-	 */
+-	dns_ttl_t			stale_ttl;
+ 	dns_trust_t			trust;
+ 	dns_rdatatype_t			covers;
+ 
+@@ -178,6 +173,11 @@ struct dns_rdataset {
+ 	void *				private7;
+ 	/*@}*/
+ 
++	/*
++	 * Stale ttl is used to see how long this RRset can still be used
++	 * to serve to clients, after the TTL has expired.
++	 */
++	dns_ttl_t			stale_ttl;
+ };
+ 
+ /*!
+-- 
+2.20.1
+
diff --git a/bind.spec b/bind.spec
index 4cdd3fa..67736c0 100644
--- a/bind.spec
+++ b/bind.spec
@@ -61,7 +61,7 @@ Summary:  The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) serv
 Name:     bind
 License:  MPLv2.0
 Version:  9.11.12
-Release:  4%{?PATCHVER:.%{PATCHVER}}%{?PREVER:.%{PREVER}}%{?dist}
+Release:  5%{?PATCHVER:.%{PATCHVER}}%{?PREVER:.%{PREVER}}%{?dist}
 Epoch:    32
 Url:      https://www.isc.org/downloads/bind/
 #
@@ -159,6 +159,7 @@ Patch174:bind-9.11-json-c.patch
 Patch175:bind-9.11-fips-disable.patch
 Patch176: bind-9.11-rh1768258.patch
 Patch177: bind-9.11-serve-stale.patch
+Patch178: bind-9.11-serve-stale-dbfix.patch
 
 # SDB patches
 Patch11: bind-9.3.2b2-sdbsrc.patch
@@ -552,6 +553,7 @@ are used for building ISC DHCP.
 %patch175 -p1 -b .rh1709553
 %patch176 -p1 -b .rh1768258
 %patch177 -p1 -b .serve-stale
+%patch178 -p1 -b .rh1770492
 
 mkdir lib/dns/tests/testdata/dstrandom
 cp -a %{SOURCE50} lib/dns/tests/testdata/dstrandom/random.data
@@ -1567,6 +1569,9 @@ fi;
 
 
 %changelog
+* Tue Nov 12 2019 Petr Menšík <pemensik@redhat.com> - 32:9.11.12-5
+- Fix binary compatibility after serve-stale patch (#1770492)
+
 * Wed Nov 06 2019 Petr Menšík <pemensik@redhat.com> - 32:9.11.12-4
 - Backported serve-stale feature