diff --git a/mock/c7-dotnet21.x86_64.cfg b/mock/c7-dotnet21.x86_64.cfg
index 777d191..e57106e 100644
--- a/mock/c7-dotnet21.x86_64.cfg
+++ b/mock/c7-dotnet21.x86_64.cfg
@@ -54,6 +54,12 @@ cost=475
 baseurl=http://repohost/repo/c7-dotnet21.x86_64/
 includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
 
+[c7-llvm-toolset-7]
+name=c7-llvm-toolset-7
+enabled=1
+baseurl=http://repohost/repo/c7-llvm-toolset-7.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
 [c7.00.04]
 name=c7.00.04
 enabled=1