diff --git a/Shorewall/modules b/Shorewall/modules
index 1c925d2e4..7cfcf751d 100644
--- a/Shorewall/modules
+++ b/Shorewall/modules
@@ -125,6 +125,7 @@ loadmodule sch_sfq
 loadmodule sch_ingress
 loadmodule sch_hfsc
 loadmodule sch_htb
+loadmodule sch_prio
 loadmodule cls_u32
 loadmodule cls_fw
 loadmodule cls_flow