diff --git a/php-pecl-http.spec b/php-pecl-http.spec
index c33760c..5589266 100644
--- a/php-pecl-http.spec
+++ b/php-pecl-http.spec
@@ -1,11 +1,15 @@
 # Fedora spec file for php-pecl-http
 #
-# Copyright (c) 2012-2016 Remi Collet
+# Copyright (c) 2012-2018 Remi Collet
 # License: CC-BY-SA
 # http://creativecommons.org/licenses/by-sa/4.0/
 #
 # Please, preserve the changelog entries
 #
+
+# we don't want -z defs linker flag
+%undefine _strict_symbol_defs_build
+
 # The project is pecl_http but the extension is only http
 %global proj_name pecl_http
 %global pecl_name http
@@ -24,7 +28,7 @@
 
 Name:           php-pecl-http
 Version:        %{upstream_version}%{?upstream_prever:~%{upstream_prever}}
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Extended HTTP support
 
 License:        BSD
@@ -242,6 +246,9 @@ NO_INTERACTION=1 \
 
 
 %changelog
+* Mon Jan 29 2018 Remi Collet <remi@remirepo.net> - 3.1.1~RC1-3
+- undefine _strict_symbol_defs_build
+
 * Thu Nov 30 2017 Pete Walter <pwalter@fedoraproject.org> - 3.1.1~RC1-2
 - Rebuild for ICU 60.1