diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index ced4c94..f689cc4 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -233,8 +233,7 @@
 			goto out;
 	}
 
-	debug("SF: Successfully erased %zu bytes @ %#x\n",
-	      len * erase_size, start);
+	debug("SF: Successfully erased %zu bytes @ %#x\n", len, start);
 
  out:
 	spi_release_bus(flash->spi);