diff --git a/libnetwork/ipam/allocator.go b/libnetwork/ipam/allocator.go
index 255f8932c0..9ff3301baa 100644
--- a/libnetwork/ipam/allocator.go
+++ b/libnetwork/ipam/allocator.go
@@ -6,7 +6,6 @@ import (
 	"sync"
 
 	log "github.com/Sirupsen/logrus"
-	"github.com/docker/libkv/store/boltdb"
 	"github.com/docker/libnetwork/bitseq"
 	"github.com/docker/libnetwork/datastore"
 	"github.com/docker/libnetwork/discoverapi"
@@ -26,10 +25,6 @@ const (
 	dsDataKey   = "ipam/" + ipamapi.DefaultIPAM + "/data"
 )
 
-func init() {
-	boltdb.Register()
-}
-
 // Allocator provides per address space ipv4/ipv6 book keeping
 type Allocator struct {
 	// Predefined pools for default address spaces
diff --git a/libnetwork/ipam/allocator_test.go b/libnetwork/ipam/allocator_test.go
index c5c07e83d4..c7f84a6122 100644
--- a/libnetwork/ipam/allocator_test.go
+++ b/libnetwork/ipam/allocator_test.go
@@ -12,6 +12,7 @@ import (
 	"time"
 
 	"github.com/docker/libkv/store"
+	"github.com/docker/libkv/store/boltdb"
 	"github.com/docker/libnetwork/bitseq"
 	"github.com/docker/libnetwork/datastore"
 	"github.com/docker/libnetwork/ipamapi"
@@ -24,6 +25,10 @@ const (
 	defaultPrefix = "/tmp/libnetwork/test/ipam"
 )
 
+func init() {
+	boltdb.Register()
+}
+
 // OptionBoltdbWithRandomDBFile function returns a random dir for local store backend
 func randomLocalStore() (datastore.DataStore, error) {
 	tmp, err := ioutil.TempFile("", "libnetwork-")