diff --git a/ee.c b/ee.c
index a04d46a..fcb5325 100644
--- a/ee.c
+++ b/ee.c
@@ -38,6 +38,7 @@
 #define EE_ERASE                            EE_ERASE_SECTOR_NUMBER
 #define EE_SIZE                             0x20000
 #define FLASH_SIZE                          ((((uint32_t)(*((uint16_t *)FLASHSIZE_BASE)) & (0xFFFFU))) * 1024)
+#define FLASH_F4_OFFSET                     4
 #endif
 
 #ifdef  STM32F7
@@ -128,6 +129,7 @@
 #endif
 #endif
 
+
 #ifndef EE_ADDRESS
 #if (EE_BANK_SELECT !=  FLASH_BANK_2)
 #define EE_ADDRESS                          (FLASH_BASE + EE_SIZE * EE_PAGE_SECTOR)
@@ -136,6 +138,10 @@
 #endif
 #endif
 
+#ifndef FLASH_F4_OFFSET
+#define FLASH_F4_OFFSET                     0
+#endif
+
 #ifndef EE_ERASE
 #error "Not Supported MCU!"
 #endif
@@ -228,7 +234,7 @@ bool EE_Format(void)
     flashErase.NbPages = 1;
 #else
     flashErase.TypeErase = FLASH_TYPEERASE_SECTORS;
-    flashErase.Sector = EE_PAGE_SECTOR;
+    flashErase.Sector = EE_PAGE_SECTOR + FLASH_F4_OFFSET;
     flashErase.NbSectors = 1;
 #endif
 #ifdef EE_BANK_SELECT
diff --git a/ee.h b/ee.h
index a1a79c4..80e9d3c 100644
--- a/ee.h
+++ b/ee.h
@@ -9,9 +9,12 @@
   Youtube:    https://www.youtube.com/@nimaltd
   Instagram:  https://instagram.com/github.NimaLTD
 
-  Version:    3.1.0
+  Version:    3.1.1
 
   History:
+							3.1.1
+              - Fixed formating F4
+
               3.1.0
               - Added Verify after Writing
               - Added Checking Pointer in Reading/Writing