diff --git a/components/esp32/include/esp_wifi_types.h b/components/esp32/include/esp_wifi_types.h
index 2f50da3c51..c838c3eefa 100644
--- a/components/esp32/include/esp_wifi_types.h
+++ b/components/esp32/include/esp_wifi_types.h
@@ -114,7 +114,7 @@ typedef struct {
 } wifi_active_scan_time_t;
 
 /** @brief Aggregate of active & passive scan time per channel */
-typedef union {
+typedef struct {
     wifi_active_scan_time_t active;  /**< active scan time per channel, units: millisecond. */
     uint32_t passive;                /**< passive scan time per channel, units: millisecond, values above 1500ms may
                                           cause station to disconnect from AP and are not recommended. */
diff --git a/components/esp32/lib b/components/esp32/lib
index ea83a5f615..6cafe865bb 160000
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit ea83a5f615b376d0ac8da53360bef75b644a5cfc
+Subproject commit 6cafe865bb5d3a93f6f09a243066f889bbf24e4f