diff --git a/components/soc/esp32/include/soc/i2s_struct.h b/components/soc/esp32/include/soc/i2s_struct.h
index 75346fe70f..c02c80fe9c 100644
--- a/components/soc/esp32/include/soc/i2s_struct.h
+++ b/components/soc/esp32/include/soc/i2s_struct.h
@@ -13,8 +13,8 @@ extern "C" {
 #endif
 
 typedef volatile struct i2s_dev_s {
-    uint32_t reserved_0;
-    uint32_t reserved_4;
+    uint32_t fifo_wr;
+    uint32_t fifo_rd;
     union {
         struct {
             uint32_t tx_reset:       1;