diff --git a/libraries/AP_HAL_ESP32/Storage.h b/libraries/AP_HAL_ESP32/Storage.h
index 45f8376e69..ff066b96d6 100644
--- a/libraries/AP_HAL_ESP32/Storage.h
+++ b/libraries/AP_HAL_ESP32/Storage.h
@@ -23,7 +23,7 @@
 #include "esp_partition.h"
 
 #define STORAGE_SIZE HAL_STORAGE_SIZE
-#define STORAGE_SECTOR_SIZE (64*1024)
+#define STORAGE_SECTOR_SIZE (128*1024)
 
 #define STORAGE_LINE_SHIFT 3
 
diff --git a/libraries/AP_HAL_ESP32/targets/esp32/partitions.csv b/libraries/AP_HAL_ESP32/targets/esp32/partitions.csv
index 70f23f3af8..8a292ba165 100644
--- a/libraries/AP_HAL_ESP32/targets/esp32/partitions.csv
+++ b/libraries/AP_HAL_ESP32/targets/esp32/partitions.csv
@@ -2,4 +2,4 @@
 nvs,      data, nvs,           ,  0x6000
 phy_init, data, phy,           ,  0x1000
 factory,   app, factory,       ,  3M
-storage,  0x45, 0x0,           ,  128K
+storage,  0x45, 0x0,           ,  256K