diff --git a/obs-service-tar_scm.spec b/obs-service-tar_scm.spec
index e93e384..da87a5b 100644
--- a/obs-service-tar_scm.spec
+++ b/obs-service-tar_scm.spec
@@ -47,6 +47,7 @@ Provides:       obs-service-tar_scm:/usr/lib/obs/service/obs_scm.service
 Requires:       bzr
 Requires:       git-core
 Requires:       mercurial
+Requires:       obs-service-tar
 Requires:       subversion
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch