diff --git a/cmd/moby/docker.go b/cmd/moby/docker.go
index 4812276cd..43c74184a 100644
--- a/cmd/moby/docker.go
+++ b/cmd/moby/docker.go
@@ -10,6 +10,7 @@ import (
 	"io"
 	"io/ioutil"
 	"os"
+	"os/exec"
 	"strings"
 
 	log "github.com/Sirupsen/logrus"