diff --git a/target/linux/ifxmips/config-2.6.23 b/target/linux/ifxmips/config-2.6.23
index b0e0bb8af5..21da39d22c 100644
--- a/target/linux/ifxmips/config-2.6.23
+++ b/target/linux/ifxmips/config-2.6.23
@@ -154,7 +154,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_SCSI_WAIT_SCAN=m
 # CONFIG_SERIAL_8250 is not set
-# CONFIG_SERIAL_IFXMIPS is not set
+CONFIG_SERIAL_IFXMIPS=y
 # CONFIG_SGI_IP22 is not set
 # CONFIG_SGI_IP27 is not set
 # CONFIG_SGI_IP32 is not set