diff --git a/API.md b/API.md
index 332a34c..fe9e4b0 100644
--- a/API.md
+++ b/API.md
@@ -164,7 +164,7 @@ Input:
     "password": <user-password>,
     "email": <email>,
     "rank": <rank>,
-    "avatar_style": <avatar-style>
+    "avatarStyle": <avatar-style>
 }
 ```
 Files: `avatar` - the content of the new avatar.  
diff --git a/server/szurubooru/api/user_api.py b/server/szurubooru/api/user_api.py
index 2558eed..08f5eb6 100644
--- a/server/szurubooru/api/user_api.py
+++ b/server/szurubooru/api/user_api.py
@@ -101,11 +101,11 @@ class UserDetailApi(BaseApi):
             auth.verify_privilege(context.user, 'users:edit:%s:rank' % infix)
             users.update_rank(user, context.request['rank'], context.user)
 
-        if 'avatar_style' in context.request:
+        if 'avatarStyle' in context.request:
             auth.verify_privilege(context.user, 'users:edit:%s:avatar' % infix)
             users.update_avatar(
                 user,
-                context.request['avatar_style'],
+                context.request['avatarStyle'],
                 context.files.get('avatar') or None)
 
         context.session.commit()