diff --git a/integration-cli/docker_cli_swarm_test.go b/integration-cli/docker_cli_swarm_test.go
index 283f576f57..4a5ec9a566 100644
--- a/integration-cli/docker_cli_swarm_test.go
+++ b/integration-cli/docker_cli_swarm_test.go
@@ -4,7 +4,6 @@ package main
 
 import (
 	"bytes"
-	"crypto/x509"
 	"encoding/json"
 	"encoding/pem"
 	"fmt"
@@ -25,6 +24,7 @@ import (
 	"github.com/docker/libnetwork/driverapi"
 	"github.com/docker/libnetwork/ipamapi"
 	remoteipam "github.com/docker/libnetwork/ipams/remote/api"
+	"github.com/docker/swarmkit/ca/keyutils"
 	"github.com/go-check/check"
 	"github.com/gotestyourself/gotestyourself/fs"
 	"github.com/gotestyourself/gotestyourself/icmd"
@@ -1007,7 +1007,7 @@ func checkKeyIsEncrypted(d *daemon.Swarm) func(*check.C) (interface{}, check.Com
 			return fmt.Errorf("invalid PEM-encoded private key"), nil
 		}
 
-		return x509.IsEncryptedPEMBlock(keyBlock), nil
+		return keyutils.IsEncryptedPEMBlock(keyBlock), nil
 	}
 }