diff --git a/code/game/machinery/constructable_frame.dm b/code/game/machinery/constructable_frame.dm
index 4c83e33eced..289edff4bd0 100644
--- a/code/game/machinery/constructable_frame.dm
+++ b/code/game/machinery/constructable_frame.dm
@@ -208,19 +208,20 @@
 		if(req_components[R] > 0)
 			component_check = 0
 			break
-	if(component_check)
-		I.play_tool_sound(src)
-		var/obj/machinery/new_machine = new circuit.build_path(loc)
-		new_machine.on_construction()
-		for(var/obj/O in new_machine.component_parts)
-			qdel(O)
-		new_machine.component_parts = list()
-		for(var/obj/O in src)
-			O.loc = null
-			new_machine.component_parts += O
-		circuit.loc = null
-		new_machine.RefreshParts()
-		qdel(src)
+	if(!component_check)
+		return TRUE
+	I.play_tool_sound(src)
+	var/obj/machinery/new_machine = new circuit.build_path(loc)
+	new_machine.on_construction()
+	for(var/obj/O in new_machine.component_parts)
+		qdel(O)
+	new_machine.component_parts = list()
+	for(var/obj/O in src)
+		O.loc = null
+		new_machine.component_parts += O
+	circuit.loc = null
+	new_machine.RefreshParts()
+	qdel(src)
 	return TRUE
 
 
diff --git a/code/game/objects/items/weapons/grenades/chem_grenade.dm b/code/game/objects/items/weapons/grenades/chem_grenade.dm
index 4e8317ee6ac..129640a4a02 100644
--- a/code/game/objects/items/weapons/grenades/chem_grenade.dm
+++ b/code/game/objects/items/weapons/grenades/chem_grenade.dm
@@ -205,7 +205,7 @@
 		for(var/obj/O in beakers)
 			if(!O.reagents)
 				continue
-			if(istype(O,/obj/item/slime_extract))
+			if(istype(O, /obj/item/slime_extract))
 				cores += " [O]"
 			for(var/R in O.reagents.reagent_list)
 				var/datum/reagent/reagent = R
diff --git a/code/game/objects/structures/false_walls.dm b/code/game/objects/structures/false_walls.dm
index 84fe30616e2..b38335df9d0 100644
--- a/code/game/objects/structures/false_walls.dm
+++ b/code/game/objects/structures/false_walls.dm
@@ -119,18 +119,18 @@
 /obj/structure/falsewall/screwdriver_act(mob/living/user, obj/item/I)
 	if(opening)
 		to_chat(user, "<span class='warning'>You must wait until the door has stopped moving.</span>")
-		return
+		return TRUE
 	if(!density)
 		to_chat(user, "<span class='warning'>You can't reach, close it first!</span>")
-		return
+		return TRUE
 	var/turf/T = get_turf(src)
 	if(T.density)
 		to_chat(user, "<span class='warning'>[src] is blocked!</span>")
-		return
+		return TRUE
 
 	if(!istype(T, /turf/simulated/floor))
 		to_chat(user, "<span class='warning'>[src] bolts must be tightened on the floor!</span>")
-		return
+		return TRUE
 	user.visible_message("<span class='notice'>[user] tightens some bolts on the wall.</span>", "<span class='warning'>You tighten the bolts on the wall.</span>")
 	ChangeToWall()
 	return TRUE
diff --git a/code/modules/food_and_drinks/kitchen_machinery/kitchen_machine.dm b/code/modules/food_and_drinks/kitchen_machinery/kitchen_machine.dm
index d7a47cbb447..f8bf94934bd 100644
--- a/code/modules/food_and_drinks/kitchen_machinery/kitchen_machine.dm
+++ b/code/modules/food_and_drinks/kitchen_machinery/kitchen_machine.dm
@@ -140,7 +140,7 @@
 	user.visible_message("<span class='notice'>[user] starts to fix part of [src].</span>", "<span class='notice'>You start to fix part of [src].</span>")
 	if(do_after(user, 20 * I.toolspeed, target = src))
 		I.play_tool_sound(src)
-		user.visible_message("<span class='notice'>[user] fixes part of [src].</span>", "<span class='notice'>You have fixed part of \the [src].</span>")
+		user.visible_message("<span class='notice'>[user] fixes part of [src].</span>", "<span class='notice'>You have fixed part of [src].</span>")
 		broken = 1 // Fix it a bit
 	return TRUE