diff --git a/code/game/turfs/simulated/walls.dm b/code/game/turfs/simulated/walls.dm
index 92dc59c5469..bc11c3e3533 100644
--- a/code/game/turfs/simulated/walls.dm
+++ b/code/game/turfs/simulated/walls.dm
@@ -368,7 +368,7 @@
 
 /turf/simulated/wall/welder_act(mob/user, obj/item/I)
 	. = TRUE
-	if(reagents.get_reagent_amount("thermite") && I.use_tool(src, user, volume = I.tool_volume))
+	if(reagents?.get_reagent_amount("thermite") && I.use_tool(src, user, volume = I.tool_volume))
 		thermitemelt(user)
 		return
 	if(rotting)
diff --git a/code/game/turfs/simulated/walls_reinforced.dm b/code/game/turfs/simulated/walls_reinforced.dm
index d362258b79f..d0e4761f255 100644
--- a/code/game/turfs/simulated/walls_reinforced.dm
+++ b/code/game/turfs/simulated/walls_reinforced.dm
@@ -73,7 +73,7 @@
 		return ..()
 
 /turf/simulated/wall/r_wall/welder_act(mob/user, obj/item/I)
-	if(reagents.get_reagent_amount("thermite") && I.use_tool(src, user, volume = I.tool_volume))
+	if(reagents?.get_reagent_amount("thermite") && I.use_tool(src, user, volume = I.tool_volume))
 		thermitemelt(user)
 		return TRUE
 	if(!(d_state in list(RWALL_COVER, RWALL_SUPPORT_RODS, RWALL_CUT_COVER)))