diff --git a/release/scripts/src-install.sh b/release/scripts/src-install.sh
index 60e6c4ef8382..75ec5a565930 100755
--- a/release/scripts/src-install.sh
+++ b/release/scripts/src-install.sh
@@ -11,8 +11,8 @@ if [ $# -lt 1 ]; then
 	echo "You must specify which components of src to extract"
 	echo "possible subcomponents are:"
 	echo
-	echo "base bin cddl contrib crypto etc games gnu include krb5 lib"
-	echo "libexec release rescue sbin secure share sys tools ubin"
+	echo "base bin cddl compat contrib crypto etc games gnu include krb5"
+	echo "lib libexec release rescue sbin secure share sys tools ubin"
 	echo "usbin"
 	echo
 	echo "You may also specify all to extract all subcomponents."
@@ -20,7 +20,7 @@ if [ $# -lt 1 ]; then
 fi
 
 if [ "$1" = "all" ]; then
-	dists="base bin cddl contrib crypto etc games gnu include krb5 lib libexec release rescue sbin secure share sys tools ubin usbin"
+	dists="base bin cddl compat contrib crypto etc games gnu include krb5 lib libexec release rescue sbin secure share sys tools ubin usbin"
 else
 	dists="$*"
 fi
diff --git a/usr.sbin/sysinstall/dist.c b/usr.sbin/sysinstall/dist.c
index 6d8b102df603..f1d181f5f502 100644
--- a/usr.sbin/sysinstall/dist.c
+++ b/usr.sbin/sysinstall/dist.c
@@ -109,6 +109,7 @@ static Distribution KernelDistTable[] = {
 static Distribution SrcDistTable[] = {
     DTE_TARBALL("sbase",    &SrcDists, SRC_BASE,    "/usr/src"),
     DTE_TARBALL("scddl",    &SrcDists, SRC_CDDL,    "/usr/src"),
+    DTE_TARBALL("scompat",  &SrcDists, SRC_COMPAT,  "/usr/src"),
     DTE_TARBALL("scontrib", &SrcDists, SRC_CONTRIB, "/usr/src"),
     DTE_TARBALL("scrypto",  &SrcDists, SRC_SCRYPTO, "/usr/src"),
     DTE_TARBALL("sgnu",	    &SrcDists, SRC_GNU,	    "/usr/src"),
diff --git a/usr.sbin/sysinstall/dist.h b/usr.sbin/sysinstall/dist.h
index 08ff3266d36f..baaa7599ca65 100644
--- a/usr.sbin/sysinstall/dist.h
+++ b/usr.sbin/sysinstall/dist.h
@@ -44,7 +44,8 @@
 #define DIST_SRC_SKERBEROS5	0x40000
 #define DIST_SRC_RESCUE		0x80000
 #define DIST_SRC_CDDL		0x100000
-#define DIST_SRC_ALL		0x1FFFFF
+#define DIST_SRC_COMPAT		0x200000
+#define DIST_SRC_ALL		0x3FFFFF
 
 /* Subtypes for X.Org packages */
 #define	DIST_XORG_APPS		0x000001
diff --git a/usr.sbin/sysinstall/menus.c b/usr.sbin/sysinstall/menus.c
index a4277e850c5f..46d528b2dd04 100644
--- a/usr.sbin/sysinstall/menus.c
+++ b/usr.sbin/sysinstall/menus.c
@@ -1066,6 +1066,8 @@ DMenu MenuSrcDistributions = {
 	dmenuFlagCheck,	dmenuSetFlag, NULL, &SrcDists, '[', 'X', ']', DIST_SRC_BASE },
       { " cddl",	"/usr/src/cddl (software from Sun)",
 	dmenuFlagCheck,	dmenuSetFlag, NULL, &SrcDists, '[', 'X', ']', DIST_SRC_CDDL },
+      { " compat",	"/usr/src/compat (compatibility software)",
+	dmenuFlagCheck,	dmenuSetFlag,	NULL, &SrcDists, '[', 'X', ']', DIST_SRC_COMPAT },
       { " contrib",	"/usr/src/contrib (contributed software)",
 	dmenuFlagCheck,	dmenuSetFlag,	NULL, &SrcDists, '[', 'X', ']', DIST_SRC_CONTRIB },
       { " crypto",	"/usr/src/crypto (contrib encryption sources)",