diff --git a/daemon/libnetwork/discoverapi/discoverapi.go b/daemon/libnetwork/discoverapi/discoverapi.go
index f57cb43b2e..faec5ebe06 100644
--- a/daemon/libnetwork/discoverapi/discoverapi.go
+++ b/daemon/libnetwork/discoverapi/discoverapi.go
@@ -14,12 +14,9 @@ type Discover interface {
 type DiscoveryType int
 
 const (
-	// NodeDiscovery represents Node join/leave events provided by discovery
-	NodeDiscovery = iota + 1
-	// EncryptionKeysConfig represents the initial key(s) for performing datapath encryption
-	EncryptionKeysConfig
-	// EncryptionKeysUpdate represents an update to the datapath encryption key(s)
-	EncryptionKeysUpdate
+	NodeDiscovery        DiscoveryType = 1 // NodeDiscovery represents Node join/leave events provided by discovery.
+	EncryptionKeysConfig DiscoveryType = 2 // EncryptionKeysConfig represents the initial key(s) for performing datapath encryption.
+	EncryptionKeysUpdate DiscoveryType = 3 // EncryptionKeysUpdate represents an update to the datapath encryption key(s).
 )
 
 // NodeDiscoveryData represents the structure backing the node discovery data json string