diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 58ba2d3ca533..30984dd15c48 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -1780,7 +1780,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8962 = {
 	.remove =	wm8962_remove,
 	.resume =	wm8962_resume,
 	.set_bias_level = wm8962_set_bias_level,
-	.reg_cache_size = WM8962_MAX_REGISTER,
+	.reg_cache_size = WM8962_MAX_REGISTER + 1,
 	.reg_word_size = sizeof(u16),
 	.reg_cache_default = wm8962_reg,
 	.volatile_register = wm8962_volatile_register,