diff --git a/code/game/gamemodes/colonialmarines/colonialmarines.dm b/code/game/gamemodes/colonialmarines/colonialmarines.dm
index f64c2432486b..3e719168f350 100644
--- a/code/game/gamemodes/colonialmarines/colonialmarines.dm
+++ b/code/game/gamemodes/colonialmarines/colonialmarines.dm
@@ -332,7 +332,10 @@
 			if(HS.living_xeno_queen && !should_block_game_interaction(HS.living_xeno_queen.loc))
 				//Some Queen is alive, we shouldn't end the game yet
 				return
-		round_finished = MODE_INFESTATION_M_MINOR
+		if (HS.totalXenos <= 3)
+			round_finished = MODE_INFESTATION_M_MAJOR
+		else
+			round_finished = MODE_INFESTATION_M_MINOR
 
 ///////////////////////////////
 //Checks if the round is over//