diff --git a/cmd/restic/cmd_backup.go b/cmd/restic/cmd_backup.go
index c377c5cad..a20c4ebc7 100644
--- a/cmd/restic/cmd_backup.go
+++ b/cmd/restic/cmd_backup.go
@@ -220,6 +220,12 @@ func (cmd CmdBackup) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	err = repo.LoadIndex()
 	if err != nil {
 		return err
diff --git a/cmd/restic/cmd_cache.go b/cmd/restic/cmd_cache.go
index 011fb3e23..de0efddb1 100644
--- a/cmd/restic/cmd_cache.go
+++ b/cmd/restic/cmd_cache.go
@@ -34,6 +34,12 @@ func (cmd CmdCache) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	cache, err := restic.NewCache(repo, cmd.global.CacheDir)
 	if err != nil {
 		return err
diff --git a/cmd/restic/cmd_cat.go b/cmd/restic/cmd_cat.go
index fc4ebc721..36b4aa49a 100644
--- a/cmd/restic/cmd_cat.go
+++ b/cmd/restic/cmd_cat.go
@@ -42,6 +42,12 @@ func (cmd CmdCat) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	tpe := args[0]
 
 	var id backend.ID
diff --git a/cmd/restic/cmd_dump.go b/cmd/restic/cmd_dump.go
index b80e61509..e0c4ea702 100644
--- a/cmd/restic/cmd_dump.go
+++ b/cmd/restic/cmd_dump.go
@@ -109,6 +109,12 @@ func (cmd CmdDump) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	err = repo.LoadIndex()
 	if err != nil {
 		return err
diff --git a/cmd/restic/cmd_find.go b/cmd/restic/cmd_find.go
index 103e70cbd..4e28e2041 100644
--- a/cmd/restic/cmd_find.go
+++ b/cmd/restic/cmd_find.go
@@ -162,6 +162,12 @@ func (c CmdFind) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	c.pattern = args[0]
 
 	if c.Snapshot != "" {
diff --git a/cmd/restic/cmd_fsck.go b/cmd/restic/cmd_fsck.go
index 6b8a8e1c6..76e0a1f8b 100644
--- a/cmd/restic/cmd_fsck.go
+++ b/cmd/restic/cmd_fsck.go
@@ -195,6 +195,12 @@ func (cmd CmdFsck) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewExclusiveLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	err = repo.LoadIndex()
 	if err != nil {
 		return err
diff --git a/cmd/restic/cmd_key.go b/cmd/restic/cmd_key.go
index 19d73c4f6..47f5333c4 100644
--- a/cmd/restic/cmd_key.go
+++ b/cmd/restic/cmd_key.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/restic/restic"
 	"github.com/restic/restic/backend"
 	"github.com/restic/restic/repository"
 )
@@ -121,6 +122,12 @@ func (cmd CmdKey) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewExclusiveLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	switch args[0] {
 	case "list":
 		return cmd.listKeys(repo)
diff --git a/cmd/restic/cmd_list.go b/cmd/restic/cmd_list.go
index 95fe68db6..dda14aca7 100644
--- a/cmd/restic/cmd_list.go
+++ b/cmd/restic/cmd_list.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/restic/restic"
 	"github.com/restic/restic/backend"
 )
 
@@ -35,6 +36,12 @@ func (cmd CmdList) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	var t backend.Type
 	switch args[0] {
 	case "blobs":
diff --git a/cmd/restic/cmd_restore.go b/cmd/restic/cmd_restore.go
index f70d2fc6a..e2e7344a8 100644
--- a/cmd/restic/cmd_restore.go
+++ b/cmd/restic/cmd_restore.go
@@ -35,6 +35,12 @@ func (cmd CmdRestore) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	err = repo.LoadIndex()
 	if err != nil {
 		return err
diff --git a/cmd/restic/cmd_snapshots.go b/cmd/restic/cmd_snapshots.go
index 2ffb1d8b1..1947ed476 100644
--- a/cmd/restic/cmd_snapshots.go
+++ b/cmd/restic/cmd_snapshots.go
@@ -99,6 +99,12 @@ func (cmd CmdSnapshots) Execute(args []string) error {
 		return err
 	}
 
+	lock, err := restic.NewLock(repo)
+	defer lock.Unlock()
+	if err != nil {
+		return err
+	}
+
 	tab := NewTable()
 	tab.Header = fmt.Sprintf("%-8s  %-19s  %-10s  %s", "ID", "Date", "Source", "Directory")
 	tab.RowFormat = "%-8s  %-19s  %-10s  %s"