diff --git a/src/arch/x86/boot/coreboot_table.c b/src/arch/x86/boot/coreboot_table.c
index 49cdb29356..8e7c75eaa1 100644
--- a/src/arch/x86/boot/coreboot_table.c
+++ b/src/arch/x86/boot/coreboot_table.c
@@ -116,7 +116,7 @@ static struct lb_serial *lb_serial(struct lb_header *header)
 	serial->baud = CONFIG_TTYS0_BAUD;
 	return serial;
 #else
-	return header;
+	return NULL;
 #endif
 }