diff --git a/epan/dissectors/packet-wifi-nan.c b/epan/dissectors/packet-wifi-nan.c
index 7ccb8f45ce..274e4e36da 100644
--- a/epan/dissectors/packet-wifi-nan.c
+++ b/epan/dissectors/packet-wifi-nan.c
@@ -35,7 +35,7 @@ static dissector_table_t ie_handle_table;
 #define NAN_DEVICE_CAP_LENGTH 9
 #define NAN_NDP_MIN_LENGTH 11
 #define NAN_NDPE_MIN_LENGTH 11
-#define NAN_AVAILABILITY_MIN_LENGTH 10
+#define NAN_AVAILABILITY_MIN_LENGTH 8
 #define NAN_NDC_MIN_LENGTH 11
 #define NAN_NDL_MIN_LENGTH 4
 #define NAN_NDL_QOS_LENGTH 3