diff --git a/gallery_dl/extractor/tmohentai.py b/gallery_dl/extractor/tmohentai.py
index be45702a..9c297279 100644
--- a/gallery_dl/extractor/tmohentai.py
+++ b/gallery_dl/extractor/tmohentai.py
@@ -38,7 +38,7 @@ class TmohentaiGalleryExtractor(GalleryExtractor):
             "title"     : text.unescape(extr("<h3>", "<").strip()),
             "artists"   : text.split_html(extr(
                 "<label>Artists and Artists Groups</label>", "</ul>")),
-            "categories": text.split_html(extr(
+            "genres"    : text.split_html(extr(
                 "<label>Genders</label>", "</ul>")),
             "tags"      : text.split_html(extr(
                 "<label>Tags</label>", "</ul>")),
diff --git a/test/results/tmohentai.py b/test/results/tmohentai.py
index 2bae050a..b565ae5e 100644
--- a/test/results/tmohentai.py
+++ b/test/results/tmohentai.py
@@ -16,7 +16,7 @@ __tests__ = (
     "#count"   : 46,
 
     "artists"   : ["Andoryu"],
-    "categories": [
+    "genres"    : [
         "Big Breasts",
         "BlowJob",
         "Cheating",