diff --git a/core/admin/mailu/api/v1/user.py b/core/admin/mailu/api/v1/user.py
index b0c9d4da..f4667ea5 100644
--- a/core/admin/mailu/api/v1/user.py
+++ b/core/admin/mailu/api/v1/user.py
@@ -242,8 +242,7 @@ class User(Resource):
         if 'forward_enabled' in data:
             user_found.forward_enabled = data['forward_enabled']
         if 'forward_destination' in data and len(data['forward_destination']) > 0:
-            if len(data['forward_destination']) == 0:
-                user_found.forward_destination = data['forward_destination']
+            user_found.forward_destination = data['forward_destination']
         if 'forward_keep' in data:
             user_found.forward_keep = data['forward_keep']
         if 'reply_enabled' in data:
diff --git a/towncrier/newsfragments/3374.bugfix b/towncrier/newsfragments/3374.bugfix
new file mode 100644
index 00000000..b244308f
--- /dev/null
+++ b/towncrier/newsfragments/3374.bugfix
@@ -0,0 +1 @@
+Fix a bug preventing user "forward_destination" to be updated with a PATCH request
\ No newline at end of file