diff --git a/code/datums/martial/boxing.dm b/code/datums/martial/boxing.dm
index ea883c5637..16d61c29f9 100644
--- a/code/datums/martial/boxing.dm
+++ b/code/datums/martial/boxing.dm
@@ -37,7 +37,7 @@
 
 	D.apply_damage(damage, STAMINA, affecting, armor_block)
 	log_combat(A, D, "punched (boxing) ")
-	if(D.getStaminaLoss() > 100)
+	if(D.getStaminaLoss() > 100 && istype(D.mind?.martial_art, /datum/martial_art/boxing))
 		var/knockout_prob = (D.getStaminaLoss() + rand(-15,15))*0.75
 		if((D.stat != DEAD) && prob(knockout_prob))
 			D.visible_message("<span class='danger'>[A] has knocked [D] out with a haymaker!</span>", \