diff --git a/sys/conf/files b/sys/conf/files
index ac0464227b49..4c876532cf52 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -888,6 +888,7 @@ dev/mfi/mfi_linux.c		optional mfi compat_linux
 dev/mfi/mfi_cam.c		optional mfip scbus
 dev/mii/acphy.c			optional miibus | acphy
 dev/mii/amphy.c			optional miibus | amphy
+dev/mii/atphy.c			optional miibus | atphy
 dev/mii/bmtphy.c		optional miibus | bmtphy
 dev/mii/brgphy.c		optional miibus | brgphy
 dev/mii/ciphy.c			optional miibus | ciphy
diff --git a/sys/modules/mii/Makefile b/sys/modules/mii/Makefile
index b631dbbd425e..30f031ffd094 100644
--- a/sys/modules/mii/Makefile
+++ b/sys/modules/mii/Makefile
@@ -3,7 +3,7 @@
 .PATH: ${.CURDIR}/../../dev/mii
 
 KMOD=	miibus
-SRCS=	acphy.c amphy.c bmtphy.c brgphy.c bus_if.h ciphy.c device_if.h
+SRCS=	acphy.c amphy.c atphy.c bmtphy.c brgphy.c bus_if.h ciphy.c device_if.h
 SRCS+=	e1000phy.c exphy.c gentbi.c icsphy.c inphy.c ip1000phy.c
 SRCS+=	lxtphy.c miibus_if.c miibus_if.h mii.c miidevs.h mii_physubr.c
 SRCS+=	mlphy.c nsgphy.c nsphy.c nsphyter.c pci_if.h pnaphy.c qsphy.c