diff --git a/openflow_input/standard-1.0 b/openflow_input/standard-1.0
index 4a73261..806a6a9 100644
--- a/openflow_input/standard-1.0
+++ b/openflow_input/standard-1.0
@@ -97,8 +97,8 @@
 };
 
 enum ofp_port_state(wire_type=uint32_t, bitmask=True) {
-    OFPPS_STP_LISTEN = 0,
     OFPPS_LINK_DOWN = 1,
+    OFPPS_STP_LISTEN = 0,
     OFPPS_STP_LEARN = 0x100,
     OFPPS_STP_FORWARD = 0x200,
     OFPPS_STP_BLOCK = 0x300,