diff --git a/brcm/brcmfmac43455-sdio.txt b/brcm/brcmfmac43455-sdio.txt
index 68012861..9a20cb7e 100644
--- a/brcm/brcmfmac43455-sdio.txt
+++ b/brcm/brcmfmac43455-sdio.txt
@@ -95,3 +95,4 @@ fdsslevel_ch11=6
 btc_mode=1
 btc_params8=0x4e20
 btc_params1=0x7530
+btc_params50=0x972c