diff --git a/mock/c7-extras-x86_64.cfg b/mock/c7-extras-x86_64.cfg
index 19e82d8..ce0a1bf 100644
--- a/mock/c7-extras-x86_64.cfg
+++ b/mock/c7-extras-x86_64.cfg
@@ -58,5 +58,6 @@ name=c7-extras
 enabled=1
 cost=500
 baseurl=http://repohost/tmp/repo/c7-extras/
+exclude=*.i686
 
 """