diff --git a/sys/net80211/ieee80211_radiotap.h b/sys/net80211/ieee80211_radiotap.h
index a52f6a3ef69e..8064ff82816b 100644
--- a/sys/net80211/ieee80211_radiotap.h
+++ b/sys/net80211/ieee80211_radiotap.h
@@ -78,7 +78,7 @@ struct ieee80211_radiotap_header {
 					 * Additional extensions are made
 					 * by setting bit 31.
 					 */
-} __attribute__((__packed__));
+} __packed;
 
 /*
  * Name                                 Data type       Units