diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 347382f..da44e61 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -91,6 +91,8 @@ static u16 cfi_flash_config_reg(int i)
 
 #if defined(CONFIG_SYS_MAX_FLASH_BANKS_DETECT)
 int cfi_flash_num_flash_banks = CONFIG_SYS_MAX_FLASH_BANKS_DETECT;
+#else
+int cfi_flash_num_flash_banks;
 #endif
 
 #ifdef CONFIG_CFI_FLASH /* for driver model */