diff --git a/openflow_input/bsn_pktin_suppression b/openflow_input/bsn_pktin_suppression
index faa1908..7bc32b2 100644
--- a/openflow_input/bsn_pktin_suppression
+++ b/openflow_input/bsn_pktin_suppression
@@ -63,7 +63,7 @@
     uint32_t experimenter;    // OF_EXPERIMENTER_ID_BSN
     uint32_t subtype;         // 11
     uint8_t enabled;
-    uint8_t pad;
+    pad(1);
     uint16_t idle_timeout;
     uint16_t hard_timeout;
     uint16_t priority;