diff --git a/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroClassic/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroClassic/hwdef.dat
index 5ca6b99473..b697e3cbbf 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroClassic/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroClassic/hwdef.dat
@@ -33,7 +33,7 @@ env OPTIMIZE -O2
 FLASH_RESERVE_START_KB 128
 
 # use FRAM for storage
-define HAL_STORAGE_SIZE 16384
+define HAL_STORAGE_SIZE 32768
 
 # Enable RAMTROM parameter storage.
 define HAL_WITH_RAMTRON 1
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroF7/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroF7/hwdef.dat
index 5e444fbadf..9867f1af9e 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroF7/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroF7/hwdef.dat
@@ -39,7 +39,7 @@ env OPTIMIZE -O2
 FLASH_RESERVE_START_KB 96
 
 # use FRAM for storage
-define HAL_STORAGE_SIZE 16384
+define HAL_STORAGE_SIZE 32768
 define HAL_WITH_RAMTRON 1
 
 # fallback storage in case FRAM is not populated
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroOEMH7/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroOEMH7/hwdef.dat
index 0139ef6d8a..b4ae8ffee3 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroOEMH7/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/mRoControlZeroOEMH7/hwdef.dat
@@ -32,7 +32,7 @@ env OPTIMIZE -O2
 # start on 2th sector (1st sector for bootloader)
 FLASH_RESERVE_START_KB 128
 
-define HAL_STORAGE_SIZE 16384
+define HAL_STORAGE_SIZE 32768
 
 # USB setup
 USB_STRING_MANUFACTURER "mRo"