Index: binaries/data/mods/public/simulation/components/EndGameManager.js
===================================================================
--- binaries/data/mods/public/simulation/components/EndGameManager.js
+++ binaries/data/mods/public/simulation/components/EndGameManager.js
@@ -164,14 +164,25 @@
 				cmpPlayer.SetState("won", undefined);
 		}
 
+		// NOTE: Keep a separate string for the case of a single player. This
+		// is required for languages that have the same plural forms for 1 and
+		// other numbers (e.g. Scottish Gaelic, where 1 and 11 are considered
+		// the same plural form), where we want the string for 1 to have
+		// "%(lastPlayer)s" while the string for other number has "%(players)s
+		// and %(lastPlayer)s".
+		if (allies.length == 1)
+			let message = markForTranslation(
+				"%(lastPlayer)s has won (last player alive).");
+		else
+			let message = markForPluralTranslation(
+				"%(players)s and %(lastPlayer)s have won (last players alive).",
+				allies.length);
+
 		cmpGuiInterface.PushNotification({
 			"type": "won",
 			"players": [allies[0]],
 			"allies" : allies,
-			"message": markForPluralTranslation(
-				"%(lastPlayer)s has won (last player alive).",
-				"%(players)s and %(lastPlayer)s have won (last players alive).",
-				allies.length)
+			"message": message
 		});
 	}
 	else