diff --git a/src/enums/MDGender.php b/src/enums/MDGender.php
index efd7b56..48df234 100644
--- a/src/enums/MDGender.php
+++ b/src/enums/MDGender.php
@@ -170,7 +170,7 @@ enum MDGender implements MDValueEnumInterface, JsonSerializable {
      */
     public function jsonSerialize():string {
 
-        return $this->name;
+        return $this->toString();
 
     }
 }
diff --git a/src/enums/MDLicense.php b/src/enums/MDLicense.php
index dd6fad8..684a2e5 100644
--- a/src/enums/MDLicense.php
+++ b/src/enums/MDLicense.php
@@ -231,7 +231,7 @@ enum MDLicense implements MDValueEnumInterface, JsonSerializable {
      */
     public function jsonSerialize():string {
 
-        return $this->name;
+        return $this->toString();
 
     }
 }