diff --git a/src/couch/src/couch_auto_purge_plugin.erl b/src/couch/src/couch_auto_purge_plugin.erl
index a4ee86e4bf..de9aa32d68 100644
--- a/src/couch/src/couch_auto_purge_plugin.erl
+++ b/src/couch/src/couch_auto_purge_plugin.erl
@@ -70,6 +70,8 @@ db(St, DbName) ->
         TTL when is_integer(TTL) ->
             {ok, St#{ttl => TTL}};
         undefined ->
+            {skip, St};
+        infinity ->
             {skip, St}
     catch
         error:database_does_not_exist ->