Index: binaries/data/mods/public/gamesettings/attributes/VictoryConditions.js
===================================================================
--- binaries/data/mods/public/gamesettings/attributes/VictoryConditions.js
+++ binaries/data/mods/public/gamesettings/attributes/VictoryConditions.js
@@ -29,7 +29,7 @@
 
 	fromInitAttributes(attribs)
 	{
-		let legacy = this.getLegacySetting(attribs, "VictoryConditions");
+		let legacy = this.getLegacySetting(attribs, "VictoryConditions").filter(cond => cond in this.conditions)
 		if (legacy)
 		{
 			this.disabled = new Set();