diff --git a/boards/arm/stm32wl5/nucleo-wl55jc/src/stm32_appinit.c b/boards/arm/stm32wl5/nucleo-wl55jc/src/stm32_appinit.c
index 4955cf1381e..30d0629e517 100644
--- a/boards/arm/stm32wl5/nucleo-wl55jc/src/stm32_appinit.c
+++ b/boards/arm/stm32wl5/nucleo-wl55jc/src/stm32_appinit.c
@@ -116,7 +116,7 @@ int board_app_initialize(uintptr_t arg)
     }
 #endif
 
-#if defined(CONFIG_ARCH_BOARD_ENABLE_FLASH_MOUNT)
+#if defined(CONFIG_ARCH_BOARD_FLASH_MOUNT)
   /* Register partition table for on-board FLASH memory */
 
   ret = stm32wl5_flash_init();