diff --git a/forge-gui/res/editions/Mirrodin Besieged Promos.txt b/forge-gui/res/editions/Mirrodin Besieged Promos.txt
index e18124290a5..e2d6ca09bbc 100644
--- a/forge-gui/res/editions/Mirrodin Besieged Promos.txt	
+++ b/forge-gui/res/editions/Mirrodin Besieged Promos.txt	
@@ -4,6 +4,7 @@ Date=2011-02-03
 Name=Mirrodin Besieged Promos
 Type=Promo
 ScryfallCode=PMBS
+TokenFallbackCode=MBS
 
 [cards]
 8★ M Hero of Bladehold @Scott Chou