diff --git a/os/hal/ports/STM32/STM32G0xx/hal_efl_lld.h b/os/hal/ports/STM32/STM32G0xx/hal_efl_lld.h
index d8119ee12..19f4b83ca 100644
--- a/os/hal/ports/STM32/STM32G0xx/hal_efl_lld.h
+++ b/os/hal/ports/STM32/STM32G0xx/hal_efl_lld.h
@@ -65,8 +65,8 @@
  */
 #define STM32_FLASH_SIZE_64K                64U
 #define STM32_FLASH_SIZE_128K               128U
-#define STM32_FLASH_SECTORS_TOTAL_64K       128
-#define STM32_FLASH_SECTORS_TOTAL_128K      256
+#define STM32_FLASH_SECTORS_TOTAL_64K       32
+#define STM32_FLASH_SECTORS_TOTAL_128K      64
 
 /* 64K flash.*/
 #define STM32_FLASH_SECTOR_SIZE_64K         ((STM32_FLASH_SIZE_64K         \
diff --git a/readme.txt b/readme.txt
index 6fc406c2d..7e7765e8b 100644
--- a/readme.txt
+++ b/readme.txt
@@ -74,6 +74,7 @@
 *****************************************************************************
 
 *** 20.3.1 ***
+- FIX: Sector count incorrect in STM32G07/8 EFL driver (bug #1085).
 - FIX: Sector size incorrect in STM32F413 EFL driver (bug #1084).
 - NEW: Added dynamic reconfiguration API to lwIP bindings.
 - FIX: Fixed race condition in HAL MAC driver (bug #1083).