diff --git a/mock/c7.1708.u.ppc64.cfg b/mock/c7.1708.u.ppc64.cfg
index b36f30f..a5456d1 100644
--- a/mock/c7.1708.u.ppc64.cfg
+++ b/mock/c7.1708.u.ppc64.cfg
@@ -30,6 +30,7 @@ gpgcheck=0
 assumeyes=1
 syslog_ident=mock
 syslog_device=
+exclude=*.ppc
 
 # repos
 [c7.1708.u.ppc64]