diff --git a/roles/koji_hub/files/sidetag.conf b/roles/koji_hub/files/sidetag.conf
index 15e0293596..7bb486aab0 100644
--- a/roles/koji_hub/files/sidetag.conf
+++ b/roles/koji_hub/files/sidetag.conf
@@ -1,3 +1,5 @@
 [sidetag]
 # automatically remove sidetag on untagging last package
 remove_empty = on
+# do newrepo on sidetag creation
+trigger_new_repo = True