diff --git a/config/config.go b/config/config.go
index 29e5039..0a09229 100644
--- a/config/config.go
+++ b/config/config.go
@@ -26,6 +26,7 @@ var UseLetsEncrypt bool
 var LetsEncryptCertsDir string
 var LetsEncryptDomains stringslice
 var MaxLoadAvg float64
+var ForceTLS bool
 
 type stringslice []string
 
@@ -41,6 +42,7 @@ func ParseFlags() {
 	flag.Var(&LetsEncryptDomains, "letsencrypt-domain", "List of domains to validate with let's encrypt")
 	flag.StringVar(&LetsEncryptCertsDir, "letsencrypt-certs-dir", "/certs", "Path where let's encrypt certs will be stored")
 	flag.BoolVar(&UseLetsEncrypt, "use-letsencrypt", false, "Enabled let's encrypt tls certificates")
+	flag.BoolVar(&ForceTLS, "tls", false, "Use TLS to connect to docker daemons")
 	flag.StringVar(&PortNumber, "port", "3000", "Port number")
 	flag.StringVar(&Key, "key", "./pwd/server-key.pem", "Server key for SSL")
 	flag.StringVar(&Cert, "cert", "./pwd/server.pem", "Give a SSL cert")
diff --git a/pwd/instance.go b/pwd/instance.go
index 7ef7a51..9502ee0 100644
--- a/pwd/instance.go
+++ b/pwd/instance.go
@@ -6,6 +6,7 @@ import (
 	"net"
 	"time"
 
+	"github.com/play-with-docker/play-with-docker/config"
 	"github.com/play-with-docker/play-with-docker/event"
 	"github.com/play-with-docker/play-with-docker/pwd/types"
 )
@@ -113,6 +114,11 @@ func (p *pwd) InstanceNew(session *types.Session, conf types.InstanceConfig) (*t
 	if err != nil {
 		return nil, err
 	}
+
+	if config.ForceTLS {
+		conf.Tls = true
+	}
+
 	instance, err := prov.InstanceNew(session, conf)
 	if err != nil {
 		log.Println(err)