diff --git a/sound/soc/codecs/wcd9xxx-mbhc.c b/sound/soc/codecs/wcd9xxx-mbhc.c
index 4e95fa9..a9e0c43 100644
--- a/sound/soc/codecs/wcd9xxx-mbhc.c
+++ b/sound/soc/codecs/wcd9xxx-mbhc.c
@@ -1900,7 +1900,7 @@
 					    0);
 	}
 
-	if (mbhc->resmgr->reg_addr->micb_4_mbhc)
+	if (mbhc->resmgr->reg_addr && mbhc->resmgr->reg_addr->micb_4_mbhc)
 		snd_soc_update_bits(codec, mbhc->resmgr->reg_addr->micb_4_mbhc,
 				    0x3, mbhc->mbhc_cfg->micbias);