diff --git a/server/manage-users.go b/server/manage-users.go
index ecf8e38..d6cbf65 100644
--- a/server/manage-users.go
+++ b/server/manage-users.go
@@ -83,7 +83,7 @@ func (h *HttpServer) ManageUsersPost(rw http.ResponseWriter, req *http.Request,
 
 	offset := req.Form.Get("offset")
 	action := req.Form.Get("action")
-	newRoles := req.Form.Get("role")
+	newRoles := req.Form.Get("roles")
 	active := req.Form.Has("active")
 
 	switch action {