diff --git a/app/services/members/list_service.rb b/app/services/members/list_service.rb
index 8886c1f79..d5033c645 100644
--- a/app/services/members/list_service.rb
+++ b/app/services/members/list_service.rb
@@ -26,7 +26,7 @@ class Members::ListService
 
       # ILIKE => PostgreSQL case-insensitive LIKE
       if params[:search].size.positive?
-        @query = @query.where('username ILIKE :search OR ' \
+        @query = @query.where('users.username ILIKE :search OR ' \
                               'profiles.first_name ILIKE :search OR ' \
                               'profiles.last_name ILIKE :search OR '  \
                               'profiles.phone ILIKE :search OR ' \
@@ -85,7 +85,7 @@ class Members::ListService
 
       order_key = case order_key
                   when 'username'
-                    'username'
+                    'users.username'
                   when 'last_name'
                     'profiles.last_name'
                   when 'first_name'