diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 2b3f9a9..bf4110a 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -445,15 +445,15 @@
 {
 	struct nand_chip *chip = mtd->priv;
 
-#ifdef CONFIG_NAND_BBT
-	if (!chip->bbt)
-		return chip->block_bad(mtd, ofs, getchip);
+	if (IS_ENABLED(CONFIG_NAND_BBT)) {
+		if (!chip->bbt)
+			return chip->block_bad(mtd, ofs, getchip);
 
-	/* Return info from the table */
-	return nand_isbad_bbt(mtd, ofs, allowbbt);
-#else
+		/* Return info from the table */
+		return nand_isbad_bbt(mtd, ofs, allowbbt);
+	}
+
 	return chip->block_bad(mtd, ofs, getchip);
-#endif
 }
 
 /* Wait for the ready pin, after a command. The timeout is caught later. */