diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index e9216192917fbccc81d2d4afe3c2ca8aa1f6165f..252a2f3592178d41a74a2c02f31890ba94ac15fd 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -4654,9 +4654,7 @@ struct wmi_peer_sta_kickout_event {
 } __packed;
 
 #define WMI_CHAN_INFO_FLAG_COMPLETE BIT(0)
-
-/* FIXME: empirically extrapolated */
-#define WMI_CHAN_INFO_MSEC(x) ((x) / 76595)
+#define WMI_CHAN_INFO_MSEC(x) ((x) / 88000)
 
 /* Beacon filter wmi command info */
 #define BCN_FLT_MAX_SUPPORTED_IES	256