diff --git a/roles/copr/backend/files/provision/builderpb_nova.yml b/roles/copr/backend/files/provision/builderpb_nova.yml
index 6310877b6d..9935aac78c 100644
--- a/roles/copr/backend/files/provision/builderpb_nova.yml
+++ b/roles/copr/backend/files/provision/builderpb_nova.yml
@@ -47,6 +47,9 @@
   tasks:
   - include: "provision_builder_tasks.yml"
 
+  - name: create mock default.cfg
+    command: ln -f -s /etc/mock/fedora-27-x86_64.cfg /etc/mock/default.cfg
+
   - name: disable offloading
     command: ethtool -K eth0 tso off gro off gso off
 
diff --git a/roles/copr/backend/files/provision/builderpb_nova_ppc64le.yml b/roles/copr/backend/files/provision/builderpb_nova_ppc64le.yml
index 0d8a9ddd8f..31d3f39386 100644
--- a/roles/copr/backend/files/provision/builderpb_nova_ppc64le.yml
+++ b/roles/copr/backend/files/provision/builderpb_nova_ppc64le.yml
@@ -47,5 +47,8 @@
   tasks:
   - include: "provision_builder_tasks.yml"
 
+  - name: create mock default.cfg
+    command: ln -f -s /etc/mock/fedora-27-ppc64le.cfg /etc/mock/default.cfg
+
   - name: disable offloading
     command: ethtool -K eth0 tso off gro off gso off