diff --git a/centos/SPECS/softethervpn.spec b/centos/SPECS/softethervpn.spec
index c428e717..3d3dab90 100644
--- a/centos/SPECS/softethervpn.spec
+++ b/centos/SPECS/softethervpn.spec
@@ -12,7 +12,7 @@ Summary:        An Open-Source Free Cross-platform Multi-protocol VPN Program
 Group:          Applications/Internet
 License:        GPLv2
 URL:            http://www.softether.org/
-Source0:        http://www.softether-download.com/files/softether/v%{majorversion}.%{minorversion}-%{buildversion}-%{buildrelease}-%{dateversion}-tree/Source%20Code/softether-src-v%{majorversion}.%{minorversion}-%{buildversion}-%{buildrelease}.tar.gz
+Source0:        http://www.softether-download.com/files/softether/v%{majorversion}.%{minorversion}-%{buildversion}-%{buildrelease}-%{dateversion}-tree/Source_Code/softether-src-v%{majorversion}.%{minorversion}-%{buildversion}-%{buildrelease}.tar.gz
 
 BuildRequires:  ncurses-devel
 BuildRequires:	openssl-devel