diff --git a/0001-hashsize-return-type-changed-in-libdns-v164.patch b/0001-hashsize-return-type-changed-in-libdns-v164.patch
new file mode 100644
index 0000000..5af0374
--- /dev/null
+++ b/0001-hashsize-return-type-changed-in-libdns-v164.patch
@@ -0,0 +1,34 @@
+From 91b4fdefc5836c259b783e56d77ff3e27ad62236 Mon Sep 17 00:00:00 2001
+From: Tomas Hozza <thozza@redhat.com>
+Date: Fri, 27 May 2016 10:21:15 +0200
+Subject: [PATCH] hashsize() return type changed in libdns v164
+
+Since bind version 9.10.4b1 (libdns version 164), the return type of
+hashsize() has changed from unsigned int to size_t. Without this change
+the plugin does not compile against bind 9.10.4b1 or newer on 64bit
+architecture.
+
+Signed-off-by: Tomas Hozza <thozza@redhat.com>
+---
+ src/ldap_driver.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/ldap_driver.c b/src/ldap_driver.c
+index 5727641..83ec00a 100644
+--- a/src/ldap_driver.c
++++ b/src/ldap_driver.c
+@@ -871,7 +871,11 @@ setcachestats(dns_db_t *db, isc_stats_t *stats)
+ 	return dns_db_setcachestats(ldapdb->rbtdb, stats);
+ }
+ 
++#if LIBDNS_VERSION_MAJOR >= 164
++size_t
++#else
+ unsigned int
++#endif /* LIBDNS_VERSION_MAJOR >= 164 */
+ hashsize(dns_db_t *db)
+ {
+ 	ldapdb_t *ldapdb = (ldapdb_t *) db;
+-- 
+2.5.5
+
diff --git a/bind-dyndb-ldap.spec b/bind-dyndb-ldap.spec
index 41ceb36..194e990 100644
--- a/bind-dyndb-ldap.spec
+++ b/bind-dyndb-ldap.spec
@@ -2,7 +2,7 @@
 
 Name:           bind-dyndb-ldap
 Version:        9.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        LDAP back-end plug-in for BIND
 
 Group:          System Environment/Libraries
@@ -12,6 +12,8 @@ Source0:        https://fedorahosted.org/released/%{name}/%{name}-%{VERSION}.tar
 Source1:        https://fedorahosted.org/released/%{name}/%{name}-%{VERSION}.tar.bz2.asc
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
+Patch0:         0001-hashsize-return-type-changed-in-libdns-v164.patch
+
 BuildRequires:  bind-devel >= 32:9.9.0-1, bind-lite-devel >= 32:9.9.0-1
 BuildRequires:  krb5-devel
 BuildRequires:  openldap-devel
@@ -28,6 +30,7 @@ off of your LDAP server.
 
 %prep
 %setup -q -n %{name}-%{VERSION}
+%patch0 -p1 -b .hashsize_fix
 
 %build
 autoreconf -fiv
@@ -76,6 +79,9 @@ rm -rf %{buildroot}
 
 
 %changelog
+* Fri May 27 2016 Tomas Hozza <thozza@redhat.com> - 9.0-3
+- Resolved build issue due to changes in libdns API
+
 * Thu May 26 2016 Tomas Hozza <thozza@redhat.com> - 9.0-2
 - Rebuild against bind-9.10.4-P1