diff --git a/code/modules/organs/limbs.dm b/code/modules/organs/limbs.dm
index f2d73c8ce0ec..79117da8d8d3 100644
--- a/code/modules/organs/limbs.dm
+++ b/code/modules/organs/limbs.dm
@@ -365,7 +365,8 @@
 
 	//If limb was damaged before and took enough damage, try to cut or tear it off
 	var/no_perma_damage = owner.status_flags & NO_PERMANENT_DAMAGE
-	if(previous_brute > 0 && !is_ff && body_part != BODY_FLAG_CHEST && body_part != BODY_FLAG_GROIN && !no_limb_loss && !no_perma_damage)
+	var/no_bone_break = owner.chem_effect_flags & CHEM_EFFECT_RESIST_FRACTURE
+	if(previous_brute > 0 && !is_ff && body_part != BODY_FLAG_CHEST && body_part != BODY_FLAG_GROIN && !no_limb_loss && !no_perma_damage && !no_bone_break)
 		if(CONFIG_GET(flag/limbs_can_break) && brute_dam >= max_damage * CONFIG_GET(number/organ_health_multiplier))
 			var/cut_prob = brute/max_damage * 5
 			if(prob(cut_prob))
@@ -1091,7 +1092,7 @@ treat_grafted var tells it to apply to grafted but unsalved wounds, for burn kit
 
 	//if the chance was not set by what called fracture(), the endurance check is done instead
 	if(bonebreak_probability == null) //bone break chance is based on endurance, 25% for survivors, erts, 100% for most everyone else.
-		bonebreak_probability = 100 / clamp(owner.skills?.get_skill_level(SKILL_ENDURANCE)-1,1,100) //can't be zero
+		bonebreak_probability = 100 / Clamp(owner.skills?.get_skill_level(SKILL_ENDURANCE)-1,1,100) //can't be zero
 
 	var/list/bonebreak_data = list("bonebreak_probability" = bonebreak_probability)
 	SEND_SIGNAL(owner, COMSIG_HUMAN_BONEBREAK_PROBABILITY, bonebreak_data)