diff --git a/code/game/objects/items.dm b/code/game/objects/items.dm
index 840050108c..7707867a20 100644
--- a/code/game/objects/items.dm
+++ b/code/game/objects/items.dm
@@ -339,7 +339,7 @@ var/list/global/slot_flags_enumeration = list(
 //If you are making custom procs but would like to retain partial or complete functionality of this one, include a 'return ..()' to where you want this to happen.
 //Set disable_warning to 1 if you wish it to not give you outputs.
 //Should probably move the bulk of this into mob code some time, as most of it is related to the definition of slots and not item-specific
-/obj/item/proc/mob_can_equip(M as mob, slot, disable_warning = 0)
+/obj/item/proc/mob_can_equip(M as mob, slot, disable_warning = FALSE)
 	if(!slot) return 0
 	if(!M) return 0
 
diff --git a/code/game/objects/items/weapons/storage/internal.dm b/code/game/objects/items/weapons/storage/internal.dm
index ddb7e873e6..63afc51b4e 100644
--- a/code/game/objects/items/weapons/storage/internal.dm
+++ b/code/game/objects/items/weapons/storage/internal.dm
@@ -18,7 +18,7 @@
 /obj/item/weapon/storage/internal/attack_hand()
 	return		//make sure this is never picked up
 
-/obj/item/weapon/storage/internal/mob_can_equip(M as mob, slot, disable_warning = 0)
+/obj/item/weapon/storage/internal/mob_can_equip(M as mob, slot, disable_warning = FALSE)
 	return 0	//make sure this is never picked up
 
 //Helper procs to cleanly implement internal storages - storage items that provide inventory slots for other items.
diff --git a/code/modules/clothing/clothing.dm b/code/modules/clothing/clothing.dm
index 2bb6022180..d5ac85ec84 100644
--- a/code/modules/clothing/clothing.dm
+++ b/code/modules/clothing/clothing.dm
@@ -59,7 +59,7 @@
 		user.recalculate_vis()
 
 //BS12: Species-restricted clothing check.
-/obj/item/clothing/mob_can_equip(M as mob, slot, disable_warning = 0)
+/obj/item/clothing/mob_can_equip(M as mob, slot, disable_warning = FALSE)
 
 	//if we can't equip the item anyway, don't bother with species_restricted (cuts down on spam)
 	if (!..())
@@ -323,7 +323,7 @@
 		return
 */
 
-/obj/item/clothing/gloves/mob_can_equip(mob/user, slot)
+/obj/item/clothing/gloves/mob_can_equip(mob/user, slot, disable_warning = FALSE)
 	var/mob/living/carbon/human/H = user
 
 	if(slot && slot == slot_gloves)
diff --git a/code/modules/clothing/gloves/arm_guards.dm b/code/modules/clothing/gloves/arm_guards.dm
index 791bb0a10b..6b0517642a 100644
--- a/code/modules/clothing/gloves/arm_guards.dm
+++ b/code/modules/clothing/gloves/arm_guards.dm
@@ -7,7 +7,7 @@
 	w_class = ITEMSIZE_NORMAL
 	drop_sound = 'sound/items/drop/metalshield.ogg'
 
-/obj/item/clothing/gloves/arm_guard/mob_can_equip(var/mob/living/carbon/human/H, slot, disable_warning = 0)
+/obj/item/clothing/gloves/arm_guard/mob_can_equip(var/mob/living/carbon/human/H, slot, disable_warning = FALSE)
 	if(..()) //This will only run if no other problems occured when equiping.
 		if(H.wear_suit)
 			if(H.wear_suit.body_parts_covered & ARMS)
diff --git a/code/modules/clothing/gloves/gauntlets.dm b/code/modules/clothing/gloves/gauntlets.dm
index eb5d05c909..efb25587a9 100644
--- a/code/modules/clothing/gloves/gauntlets.dm
+++ b/code/modules/clothing/gloves/gauntlets.dm
@@ -14,7 +14,7 @@
 	punch_force = 5
 	var/obj/item/clothing/gloves/gloves = null	//Undergloves
 
-/obj/item/clothing/gloves/gauntlets/mob_can_equip(mob/user, slot, disable_warning = 0)
+/obj/item/clothing/gloves/gauntlets/mob_can_equip(mob/user, slot, disable_warning = FALSE)
 	var/mob/living/carbon/human/H = user
 	if(H.gloves)
 		gloves = H.gloves
diff --git a/code/modules/clothing/shoes/leg_guards.dm b/code/modules/clothing/shoes/leg_guards.dm
index a6eefc1247..a4079087ab 100644
--- a/code/modules/clothing/shoes/leg_guards.dm
+++ b/code/modules/clothing/shoes/leg_guards.dm
@@ -9,7 +9,7 @@
 	can_hold_knife = TRUE
 	drop_sound = 'sound/items/drop/boots.ogg'
 
-/obj/item/clothing/shoes/leg_guard/mob_can_equip(var/mob/living/carbon/human/H, slot, disable_warning = 0)
+/obj/item/clothing/shoes/leg_guard/mob_can_equip(var/mob/living/carbon/human/H, slot, disable_warning = FALSE)
 	if(..()) //This will only run if no other problems occured when equiping.
 		if(H.wear_suit)
 			if(H.wear_suit.body_parts_covered & LEGS)
diff --git a/code/modules/clothing/suits/armor.dm b/code/modules/clothing/suits/armor.dm
index 3920ddd636..c41ff83d81 100644
--- a/code/modules/clothing/suits/armor.dm
+++ b/code/modules/clothing/suits/armor.dm
@@ -9,7 +9,7 @@
 	max_heat_protection_temperature = ARMOR_MAX_HEAT_PROTECTION_TEMPERATURE
 	siemens_coefficient = 0.6
 
-/obj/item/clothing/suit/mob_can_equip(var/mob/living/carbon/human/H, slot, disable_warning = 0)
+/obj/item/clothing/suit/mob_can_equip(var/mob/living/carbon/human/H, slot, disable_warning = FALSE)
 	if(..()) //This will only run if no other problems occured when equiping.
 		for(var/obj/item/clothing/I in list(H.gloves, H.shoes))
 			if(I && (src.body_parts_covered & ARMS && I.body_parts_covered & ARMS) )