diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 8bc19ddf42c1..8055b8f56369 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -45,7 +45,7 @@
 #define WMI_READY_TIMEOUT (5 * HZ)
 #define ATH10K_FLUSH_TIMEOUT_HZ (5*HZ)
 #define ATH10K_CONNECTION_LOSS_HZ (3*HZ)
-#define ATH10K_NUM_CHANS 38
+#define ATH10K_NUM_CHANS 39
 
 /* Antenna noise floor */
 #define ATH10K_DEFAULT_NOISE_FLOOR -95
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 2134bb2c3adb..8df20e9c1cec 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -6016,6 +6016,10 @@ int ath10k_mac_register(struct ath10k *ar)
 	ht_cap = ath10k_get_ht_cap(ar);
 	vht_cap = ath10k_create_vht_cap(ar);
 
+	BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
+		      ARRAY_SIZE(ath10k_5ghz_channels)) !=
+		     ATH10K_NUM_CHANS);
+
 	if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
 		channels = kmemdup(ath10k_2ghz_channels,
 				   sizeof(ath10k_2ghz_channels),