diff --git a/inventory/group_vars/checkcompose b/inventory/group_vars/checkcompose
index ccbbca8550..afbc9ca2dc 100644
--- a/inventory/group_vars/checkcompose
+++ b/inventory/group_vars/checkcompose
@@ -10,7 +10,7 @@ checkcompose_emailfrom: rawhide@fedoraproject.org
 checkcompose_emailto: "test@lists.fedoraproject.org devel@lists.fedoraproject.org"
 checkcompose_subvariant_emails:
   AtomicHost:
-    error: "dusty@dustymabe.com walters@verbum.org atomic@lists.fedoraproject.org"
+    error: ["dusty@dustymabe.com", "walters@verbum.org", "atomic@lists.fedoraproject.org"]
 checkcompose_smtp: bastion.phx2.fedoraproject.org
 checkcompose_url: "https://{{ external_hostname }}"
 checkcompose_greenwaveurl: https://greenwave-web-greenwave.app.os.fedoraproject.org