diff --git a/types.go b/types.go
index 1c688d3..53ea9af 100644
--- a/types.go
+++ b/types.go
@@ -76,13 +76,13 @@ type YggdrasilInfo struct {
 	ImplVersion    string   `json:"Implementation-Version"`
 	AppOwner       string   `json:"Application-Owner"`
 	SkinDomains    []string `json:"skinDomains"`
-	PublicKey      *string  `json:"signaturePublickey"`
+	PublicKey      *string  `json:"signaturePublickey,omitempty"`
 }
 
 type Property struct {
 	Name      string  `json:"name"`
 	Value     string  `json:"value"`
-	Signature *string `json:"signature"`
+	Signature *string `json:"signature,omitempty"`
 }
 
 type ProfileResponse struct {
@@ -113,7 +113,7 @@ type SkinMetadata struct {
 
 type ProfileTextures struct {
 	Skin SkinTexture `json:"SKIN"`
-	Cape *Texture    `json:"CAPE"`
+	Cape *Texture    `json:"CAPE,omitempty"`
 }
 
 type Empty struct{}