diff --git a/lib_i386/board.c b/lib_i386/board.c
index b26d3d5..25ad670 100644
--- a/lib_i386/board.c
+++ b/lib_i386/board.c
@@ -343,7 +343,7 @@
 	/* Must happen after interrupts are initialized since
 	 * an irq handler gets installed
 	 */
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
+#if CONFIG_SERIAL_SOFTWARE_FIFO
 	serial_buffered_init();
 #endif