diff --git a/sys/dev/ral/rt2661var.h b/sys/dev/ral/rt2661var.h
index 93810a6e110..c5676845e7d 100644
--- a/sys/dev/ral/rt2661var.h
+++ b/sys/dev/ral/rt2661var.h
@@ -26,7 +26,7 @@ struct rt2661_rx_radiotap_header {
 	uint16_t	wr_chan_flags;
 	int8_t		wr_antsignal;
 	int8_t		wr_antnoise;
-} __packed;
+} __packed __aligned(8);
 
 #define RT2661_RX_RADIOTAP_PRESENT					\
 	((1 << IEEE80211_RADIOTAP_TSFT) |				\
@@ -42,7 +42,7 @@ struct rt2661_tx_radiotap_header {
 	uint8_t		wt_rate;
 	uint16_t	wt_chan_freq;
 	uint16_t	wt_chan_flags;
-} __packed;
+} __packed __aligned(8);
 
 #define RT2661_TX_RADIOTAP_PRESENT					\
 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
diff --git a/sys/dev/ral/rt2860var.h b/sys/dev/ral/rt2860var.h
index 71b4fdeb280..c2a09836e6f 100644
--- a/sys/dev/ral/rt2860var.h
+++ b/sys/dev/ral/rt2860var.h
@@ -38,7 +38,7 @@ struct rt2860_rx_radiotap_header {
 	uint8_t		wr_antenna;
 	int8_t		wr_antsignal;
 	int8_t		wr_antnoise;
-} __packed;
+} __packed __aligned(8);
 
 #define RT2860_RX_RADIOTAP_PRESENT					\
 	((1 << IEEE80211_RADIOTAP_TSFT) |				\
@@ -55,7 +55,7 @@ struct rt2860_tx_radiotap_header {
 	uint8_t		wt_rate;
 	uint16_t	wt_chan_freq;
 	uint16_t	wt_chan_flags;
-} __packed;
+} __packed __aligned(8);
 
 #define RT2860_TX_RADIOTAP_PRESENT					\
 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\