diff --git a/el/rtpengine.spec b/el/rtpengine.spec
index 8719ab679..00473c759 100644
--- a/el/rtpengine.spec
+++ b/el/rtpengine.spec
@@ -6,7 +6,7 @@ Summary:	The Sipwise NGCP rtpengine
 Group:		System Environment/Daemons
 License:	GPLv3
 URL:		https://github.com/sipwise/rtpengine
-Source0:	https://github.com/sipwise/rtpengine/archive/%{version}/%{name}-%{version}.tar.gz
+Source0:	https://github.com/sipwise/rtpengine/archive/mr%{version}/%{name}-%{version}.tar.gz
 Conflicts:	%{name}-kernel < %{version}-%{release}
 
 BuildRequires:	gcc make pkgconfig redhat-rpm-config