diff --git a/sys/modules/ugen/Makefile b/sys/modules/ugen/Makefile
index e15e9dedd8d..77a3a80b039 100644
--- a/sys/modules/ugen/Makefile
+++ b/sys/modules/ugen/Makefile
@@ -1,7 +1,7 @@
 #       $FreeBSD$ 
 
 MAINTAINER	 = n_hibma@freebsd.org
-SOURCE		 = ../../dev/usb
+SOURCE		 = ${.CURDIR}/../../dev/usb
 
 .PATH:  ${SOURCE}
 KMOD		 = ugen_mod
diff --git a/sys/modules/uhid/Makefile b/sys/modules/uhid/Makefile
index 88f8b3e46d1..308f31e4ce7 100644
--- a/sys/modules/uhid/Makefile
+++ b/sys/modules/uhid/Makefile
@@ -1,7 +1,7 @@
 #       $FreeBSD$ 
 
 MAINTAINER	 = n_hibma@freebsd.org
-SOURCE		 = ../../dev/usb
+SOURCE		 = ${.CURDIR}/../../dev/usb
 
 .PATH:  ${SOURCE}
 KMOD		 = uhid_mod
diff --git a/sys/modules/ukbd/Makefile b/sys/modules/ukbd/Makefile
index ab04e1bb8ab..675fe49b030 100644
--- a/sys/modules/ukbd/Makefile
+++ b/sys/modules/ukbd/Makefile
@@ -1,7 +1,7 @@
 #       $FreeBSD$ 
 
 MAINTAINER	 = n_hibma@freebsd.org
-SOURCE		 = ../../dev/usb
+SOURCE		 = ${.CURDIR}/../../dev/usb
 
 .PATH:  ${SOURCE}
 KMOD		 = ukbd_mod
diff --git a/sys/modules/ulpt/Makefile b/sys/modules/ulpt/Makefile
index 266074035e9..b73ba025c32 100644
--- a/sys/modules/ulpt/Makefile
+++ b/sys/modules/ulpt/Makefile
@@ -1,7 +1,7 @@
 #       $FreeBSD$ 
 
 MAINTAINER	 = n_hibma@freebsd.org
-SOURCE		 = ../../dev/usb
+SOURCE		 = ${.CURDIR}/../../dev/usb
 
 .PATH:  ${SOURCE}
 KMOD		 = ulpt_mod
diff --git a/sys/modules/umass/Makefile b/sys/modules/umass/Makefile
index 83757b78ace..a7a1cec8472 100644
--- a/sys/modules/umass/Makefile
+++ b/sys/modules/umass/Makefile
@@ -1,7 +1,7 @@
 #       $FreeBSD$ 
 
 MAINTAINER	 = n_hibma@freebsd.org
-SOURCE		 = ../../dev/usb
+SOURCE		 = ${.CURDIR}/../../dev/usb
 
 .PATH:  ${SOURCE}
 KMOD		 = umass_mod
diff --git a/sys/modules/umodem/Makefile b/sys/modules/umodem/Makefile
index df128234aad..459c85ee8dc 100644
--- a/sys/modules/umodem/Makefile
+++ b/sys/modules/umodem/Makefile
@@ -1,7 +1,7 @@
 #       $FreeBSD$ 
 
 MAINTAINER	 = n_hibma@freebsd.org
-SOURCE		 = ../../dev/usb
+SOURCE		 = ${.CURDIR}/../../dev/usb
 
 .PATH:  ${SOURCE}
 KMOD		 = umodem_mod
diff --git a/sys/modules/ums/Makefile b/sys/modules/ums/Makefile
index 57574fba8f6..a87e5407df0 100644
--- a/sys/modules/ums/Makefile
+++ b/sys/modules/ums/Makefile
@@ -1,7 +1,7 @@
 #       $FreeBSD$ 
 
 MAINTAINER	 = n_hibma@freebsd.org
-SOURCE		 = ../../dev/usb
+SOURCE		 = ${.CURDIR}/../../dev/usb
 
 .PATH:  ${SOURCE}
 KMOD		 = ums_mod