diff --git a/Inc/fc7xxx_driver_flash.h b/Inc/fc7xxx_driver_flash.h
index dcbf5ee..8382b95 100644
--- a/Inc/fc7xxx_driver_flash.h
+++ b/Inc/fc7xxx_driver_flash.h
@@ -127,7 +127,8 @@ typedef struct
     uint32_t         u32Address;             /**< Logical target address                  */
     uint32_t         u32Length;              /**< Length in logical sectors or bytes      */
     uint8_t          *pData;                 /**< Pointer to data buffer (read only)      */
-    uint8_t         (*wdTriggerFct)(void);   /**< Pointer to watchdog handling function   */
+    uint8_t         (*wdTriggerFct)(void*);   /**< Pointer to watchdog handling function   */
+    void            *wdTriggerFct_env;
     uint32_t         u32ErrorAddress;        /**< Error address                           */
 
 } FLASH_DRIVER_ParamType;
diff --git a/Src/fc7xxx_driver_flash.c b/Src/fc7xxx_driver_flash.c
index 355ed08..8f8e08f 100644
--- a/Src/fc7xxx_driver_flash.c
+++ b/Src/fc7xxx_driver_flash.c
@@ -567,7 +567,7 @@ FLASH_StatusType FLASHDRIVER_PFlashEraseSector(FLASH_DRIVER_ParamType *pFlashPar
                             /* trigger watchdog function */
                             if (pFlashParam->wdTriggerFct != ((void *)0))
                             {
-                                pFlashParam->wdTriggerFct();
+                                pFlashParam->wdTriggerFct(pFlashParam->wdTriggerFct_env);
                             }
                         }
 
@@ -714,7 +714,7 @@ FLASH_StatusType FLASHDRIVER_PFlashWrite(FLASH_DRIVER_ParamType *pFlashParam)
                         /* trigger watchdog function */
                         if (pFlashParam->wdTriggerFct != ((void *)0))
                         {
-                            pFlashParam->wdTriggerFct();
+                            pFlashParam->wdTriggerFct(pFlashParam->wdTriggerFct_env);
                         }
 
                     }
@@ -837,7 +837,7 @@ FLASH_StatusType FLASHDRIVER_DFlashEraseSector(FLASH_DRIVER_ParamType *pFlashPar
                             /* trigger watchdog function */
                             if (pFlashParam->wdTriggerFct != ((void *)0))
                             {
-                                pFlashParam->wdTriggerFct();
+                                pFlashParam->wdTriggerFct(pFlashParam->wdTriggerFct_env);
                             }
                         }
 
@@ -983,7 +983,7 @@ FLASH_StatusType FLASHDRIVER_DFlashWrite(FLASH_DRIVER_ParamType *pFlashParam)
                         /* trigger watchdog function */
                         if (pFlashParam->wdTriggerFct != ((void *)0))
                         {
-                            pFlashParam->wdTriggerFct();
+                            pFlashParam->wdTriggerFct(pFlashParam->wdTriggerFct_env);
                         }
 
                     }