diff --git a/SNMP_Session-1.13-fix_ivp6.patch b/SNMP_Session-1.13-fix_ivp6.patch
new file mode 100644
index 0000000..91d814a
--- /dev/null
+++ b/SNMP_Session-1.13-fix_ivp6.patch
@@ -0,0 +1,12 @@
+diff -u -r SNMP_Session-1.13.orig/lib/SNMP_Session.pm SNMP_Session-1.13/lib/SNMP_Session.pm
+--- SNMP_Session-1.13.orig/lib/SNMP_Session.pm	2023-06-05 11:48:19.304310300 +0200
++++ SNMP_Session-1.13/lib/SNMP_Session.pm	2023-06-05 11:48:48.422475999 +0200
+@@ -622,7 +622,7 @@
+        $local_hostname,$ipv4only) = @_;
+     my($remote_addr,$socket,$sockfamily);
+ 
+-    $ipv4only = 1 unless defined $ipv4only;
++    $ipv4only = 1 if defined $ipv4only;
+     $sockfamily = AF_INET;
+ 
+     $community = 'public' unless defined $community;
diff --git a/perl-SNMP_Session.spec b/perl-SNMP_Session.spec
index 601dece..e537335 100644
--- a/perl-SNMP_Session.spec
+++ b/perl-SNMP_Session.spec
@@ -1,11 +1,12 @@
 Name:           perl-SNMP_Session
 Version:        1.13
-Release:        33%{?dist}
+Release:        34%{?dist}
 Summary:        SNMP support for Perl 5
 
 License:        Artistic-2.0
 URL:            http://code.google.com/p/snmp-session/
 Source0:        http://snmp-session.googlecode.com/files/SNMP_Session-%{version}.tar.gz
+Patch0:         SNMP_Session-1.13-fix_ivp6.patch
 BuildArch:      noarch
 BuildRequires:  make
 BuildRequires:  perl-generators
@@ -22,6 +23,7 @@ and "set", as well as trap generation and reception.
 
 %prep
 %setup -q -n SNMP_Session-%{version}
+%patch -P 0 -p1
 %{__perl} -pi -e 's{^#!/usr/local/bin/perl\b}{#!%{__perl}}' test/*
 chmod -c 644 test/*
 
@@ -47,6 +49,9 @@ make test
 
 
 %changelog
+* Mon Jun 05 2023 Michal Josef Špaček <mspacek@redhat.com> - 1.13-34
+- Fix IPv6 functionality of SNMP_Session
+
 * Tue Apr 04 2023 Michal Josef Špaček <mspacek@redhat.com> - 1.13-33
 - Fix ipv6
 - Modernize spec file