diff --git a/oci/mounts.go b/oci/mounts.go
new file mode 100644
index 000000000..1011396bf
--- /dev/null
+++ b/oci/mounts.go
@@ -0,0 +1,70 @@
+// +build !freebsd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package oci
+
+import (
+	specs "github.com/opencontainers/runtime-spec/specs-go"
+)
+
+func defaultMounts() []specs.Mount {
+	return []specs.Mount{
+		{
+			Destination: "/proc",
+			Type:        "proc",
+			Source:      "proc",
+			Options:     []string{"nosuid", "noexec", "nodev"},
+		},
+		{
+			Destination: "/dev",
+			Type:        "tmpfs",
+			Source:      "tmpfs",
+			Options:     []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
+		},
+		{
+			Destination: "/dev/pts",
+			Type:        "devpts",
+			Source:      "devpts",
+			Options:     []string{"nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620", "gid=5"},
+		},
+		{
+			Destination: "/dev/shm",
+			Type:        "tmpfs",
+			Source:      "shm",
+			Options:     []string{"nosuid", "noexec", "nodev", "mode=1777", "size=65536k"},
+		},
+		{
+			Destination: "/dev/mqueue",
+			Type:        "mqueue",
+			Source:      "mqueue",
+			Options:     []string{"nosuid", "noexec", "nodev"},
+		},
+		{
+			Destination: "/sys",
+			Type:        "sysfs",
+			Source:      "sysfs",
+			Options:     []string{"nosuid", "noexec", "nodev", "ro"},
+		},
+		{
+			Destination: "/run",
+			Type:        "tmpfs",
+			Source:      "tmpfs",
+			Options:     []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
+		},
+	}
+}
diff --git a/oci/mounts_freebsd.go b/oci/mounts_freebsd.go
new file mode 100644
index 000000000..42b9d7aff
--- /dev/null
+++ b/oci/mounts_freebsd.go
@@ -0,0 +1,38 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package oci
+
+import (
+	specs "github.com/opencontainers/runtime-spec/specs-go"
+)
+
+func defaultMounts() []specs.Mount {
+	return []specs.Mount{
+		{
+			Destination: "/dev",
+			Type:        "devfs",
+			Source:      "devfs",
+			Options:     []string{"ruleset=4"},
+		},
+		{
+			Destination: "/dev/fd",
+			Type:        "fdescfs",
+			Source:      "fdescfs",
+			Options:     []string{},
+		},
+	}
+}
diff --git a/oci/spec.go b/oci/spec.go
index 035bb7e7d..34d766230 100644
--- a/oci/spec.go
+++ b/oci/spec.go
@@ -161,50 +161,6 @@ func populateDefaultUnixSpec(ctx context.Context, s *Spec, id string) error {
 				},
 			},
 		},
-		Mounts: []specs.Mount{
-			{
-				Destination: "/proc",
-				Type:        "proc",
-				Source:      "proc",
-				Options:     []string{"nosuid", "noexec", "nodev"},
-			},
-			{
-				Destination: "/dev",
-				Type:        "tmpfs",
-				Source:      "tmpfs",
-				Options:     []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
-			},
-			{
-				Destination: "/dev/pts",
-				Type:        "devpts",
-				Source:      "devpts",
-				Options:     []string{"nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620", "gid=5"},
-			},
-			{
-				Destination: "/dev/shm",
-				Type:        "tmpfs",
-				Source:      "shm",
-				Options:     []string{"nosuid", "noexec", "nodev", "mode=1777", "size=65536k"},
-			},
-			{
-				Destination: "/dev/mqueue",
-				Type:        "mqueue",
-				Source:      "mqueue",
-				Options:     []string{"nosuid", "noexec", "nodev"},
-			},
-			{
-				Destination: "/sys",
-				Type:        "sysfs",
-				Source:      "sysfs",
-				Options:     []string{"nosuid", "noexec", "nodev", "ro"},
-			},
-			{
-				Destination: "/run",
-				Type:        "tmpfs",
-				Source:      "tmpfs",
-				Options:     []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
-			},
-		},
 		Linux: &specs.Linux{
 			MaskedPaths: []string{
 				"/proc/acpi",
@@ -237,6 +193,7 @@ func populateDefaultUnixSpec(ctx context.Context, s *Spec, id string) error {
 			Namespaces: defaultUnixNamespaces(),
 		},
 	}
+	s.Mounts = defaultMounts()
 	return nil
 }