diff --git a/filesystems_openbsd.go b/filesystems_openbsd.go
new file mode 100644
index 00000000..c15a18b8
--- /dev/null
+++ b/filesystems_openbsd.go
@@ -0,0 +1,22 @@
+// +build openbsd
+
+package main
+
+func isLocalFs(m Mount) bool {
+	//FIXME: implement
+	return false
+}
+
+func isFuseFs(m Mount) bool {
+	//FIXME: implement
+	return false
+}
+
+func isNetworkFs(m Mount) bool {
+	//FIXME: implement
+	return false
+}
+
+func isSpecialFs(m Mount) bool {
+	return m.Fstype == "devfs"
+}
diff --git a/main.go b/main.go
index 57279d2d..9747eeac 100644
--- a/main.go
+++ b/main.go
@@ -48,11 +48,11 @@ func renderTables(m []Mount, sortCol int) error {
 			continue
 		}
 		// skip special devices
-		if v.Stat.Blocks == 0 && !*all {
+		if v.Blocks == 0 && !*all {
 			continue
 		}
 		// skip zero size devices
-		if v.Stat.Bsize == 0 && !*all {
+		if v.BlockSize == 0 && !*all {
 			continue
 		}
 
diff --git a/mounts.go b/mounts.go
index 78382a09..90b6754d 100644
--- a/mounts.go
+++ b/mounts.go
@@ -21,6 +21,8 @@ type Mount struct {
 	Inodes     uint64        `json:"inodes"`
 	InodesFree uint64        `json:"inodes_free"`
 	InodesUsed uint64        `json:"inodes_used"`
+	Blocks     uint64        `json:"blocks"`
+	BlockSize  uint64        `json:"block_size"`
 	Stat       unix.Statfs_t `json:"-"`
 }
 
diff --git a/mounts_darwin.go b/mounts_darwin.go
index f6cb0818..89c7c146 100644
--- a/mounts_darwin.go
+++ b/mounts_darwin.go
@@ -79,6 +79,8 @@ func mounts() ([]Mount, []string, error) {
 			Inodes:     stat.Files,
 			InodesFree: stat.Ffree,
 			InodesUsed: stat.Files - stat.Ffree,
+			Blocks:     uint64(stat.Blocks),
+			BlockSize:  uint64(stat.Bsize),
 		}
 		d.DeviceType = deviceType(d)
 
diff --git a/mounts_freebsd.go b/mounts_freebsd.go
index 5ee4d509..3f636003 100644
--- a/mounts_freebsd.go
+++ b/mounts_freebsd.go
@@ -91,6 +91,8 @@ func mounts() ([]Mount, []string, error) {
 			Inodes:     stat.Files,
 			InodesFree: uint64(stat.Ffree),
 			InodesUsed: stat.Files - uint64(stat.Ffree),
+			Blocks:     uint64(stat.Blocks),
+			BlockSize:  uint64(stat.Bsize),
 		}
 		d.DeviceType = deviceType(d)
 
diff --git a/mounts_linux.go b/mounts_linux.go
index 86a4ef44..d1835c82 100644
--- a/mounts_linux.go
+++ b/mounts_linux.go
@@ -66,6 +66,8 @@ func mounts() ([]Mount, []string, error) {
 			Inodes:     stat.Files,
 			InodesFree: stat.Ffree,
 			InodesUsed: stat.Files - stat.Ffree,
+			Blocks:     uint64(stat.Blocks),
+			BlockSize:  uint64(stat.Bsize),
 		}
 		d.DeviceType = deviceType(d)
 
diff --git a/mounts_openbsd.go b/mounts_openbsd.go
new file mode 100644
index 00000000..dc759b44
--- /dev/null
+++ b/mounts_openbsd.go
@@ -0,0 +1,99 @@
+// +build openbsd
+
+package main
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+func mounts() ([]Mount, []string, error) {
+	var ret []Mount
+	var warnings []string
+
+	count, err := unix.Getfsstat(nil, unix.MNT_WAIT)
+	if err != nil {
+		return nil, nil, err
+	}
+	fs := make([]unix.Statfs_t, count)
+	if _, err = unix.Getfsstat(fs, unix.MNT_WAIT); err != nil {
+		return nil, nil, err
+	}
+
+	for _, stat := range fs {
+		opts := "rw"
+		if stat.F_flags&unix.MNT_RDONLY != 0 {
+			opts = "ro"
+		}
+		if stat.F_flags&unix.MNT_SYNCHRONOUS != 0 {
+			opts += ",sync"
+		}
+		if stat.F_flags&unix.MNT_NOEXEC != 0 {
+			opts += ",noexec"
+		}
+		if stat.F_flags&unix.MNT_NOSUID != 0 {
+			opts += ",nosuid"
+		}
+		if stat.F_flags&unix.MNT_NODEV != 0 {
+			opts += ",nodev"
+		}
+		if stat.F_flags&unix.MNT_ASYNC != 0 {
+			opts += ",async"
+		}
+		if stat.F_flags&unix.MNT_SOFTDEP != 0 {
+			opts += ",softdep"
+		}
+		if stat.F_flags&unix.MNT_NOATIME != 0 {
+			opts += ",noatime"
+		}
+		if stat.F_flags&unix.MNT_WXALLOWED != 0 {
+			opts += ",wxallowed"
+		}
+
+		device := intToString(stat.F_mntfromname[:])
+		mountPoint := intToString(stat.F_mntonname[:])
+		fsType := intToString(stat.F_fstypename[:])
+
+		if len(device) == 0 {
+			continue
+		}
+
+		d := Mount{
+			Device:     device,
+			Mountpoint: mountPoint,
+			Fstype:     fsType,
+			Type:       fsType,
+			Opts:       opts,
+			Stat:       stat,
+			Total:      (uint64(stat.F_blocks) * uint64(stat.F_bsize)),
+			Free:       (uint64(stat.F_bavail) * uint64(stat.F_bsize)),
+			Used:       (uint64(stat.F_blocks) - uint64(stat.F_bfree)) * uint64(stat.F_bsize),
+			Inodes:     stat.F_files,
+			InodesFree: uint64(stat.F_ffree),
+			InodesUsed: stat.F_files - uint64(stat.F_ffree),
+			Blocks:     uint64(stat.F_blocks),
+			BlockSize:  uint64(stat.F_bsize),
+		}
+		d.DeviceType = deviceType(d)
+
+		ret = append(ret, d)
+	}
+
+	return ret, warnings, nil
+}
+
+func intToString(orig []int8) string {
+	ret := make([]byte, len(orig))
+	size := -1
+	for i, o := range orig {
+		if o == 0 {
+			size = i
+			break
+		}
+		ret[i] = byte(o)
+	}
+	if size == -1 {
+		size = len(orig)
+	}
+
+	return string(ret[0:size])
+}