diff --git a/osu.Game/Rulesets/Mods/UnknownMod.cs b/osu.Game/Rulesets/Mods/UnknownMod.cs
index b426386d7a..790306c0ca 100644
--- a/osu.Game/Rulesets/Mods/UnknownMod.cs
+++ b/osu.Game/Rulesets/Mods/UnknownMod.cs
@@ -16,6 +16,7 @@ namespace osu.Game.Rulesets.Mods
         public override double ScoreMultiplier => 0;
 
         public override bool UserPlayable => false;
+        public override bool PlayableInMultiplayer => true;
 
         public override ModType Type => ModType.System;