diff --git a/src/NodaWikidataFetcher.php b/src/NodaWikidataFetcher.php
index f01e947..bd991ad 100644
--- a/src/NodaWikidataFetcher.php
+++ b/src/NodaWikidataFetcher.php
@@ -876,13 +876,14 @@ final class NodaWikidataFetcher {
                 $wikidata_gender_id = $data['claims']['P21']['0']['mainsnak']['datavalue']['value']['id'];
 
                 switch ($wikidata_gender_id) {
-                case "Q6581097": // male
-                case "Q44148": //male organism
+                case "Q6581097":    // male
+                case "Q44148":      // male organism
+                case "Q2449503":    // transgender man
                     $wikidata_gender = "male";
                     break;
                 case "Q6581072":
-                case "Q1052281": // transgender female
-                case "Q43445":   // female organism
+                case "Q1052281":    // transgender female
+                case "Q43445":      // female organism
                     $wikidata_gender = "female";
                     break;
                 case "Q48270":