diff --git a/code/game/objects/explosion.dm b/code/game/objects/explosion.dm
index 0004a39b1c..7940c96426 100644
--- a/code/game/objects/explosion.dm
+++ b/code/game/objects/explosion.dm
@@ -49,6 +49,7 @@ proc/explosion(turf/epicenter, devastation_range, heavy_impact_range, light_impa
 			log_game("Explosion with size ([devastation_range], [heavy_impact_range], [light_impact_range]) in area [epicenter.loc.name] ")
 
 		var/approximate_intensity = (devastation_range * 3) + (heavy_impact_range * 2) + light_impact_range
+		var/powernet_rebuild_was_deferred_already = defer_powernet_rebuild
 		// Large enough explosion. For performance reasons, powernets will be rebuilt manually
 		if(!defer_powernet_rebuild && (approximate_intensity > 25))
 			defer_powernet_rebuild = 1
@@ -98,4 +99,4 @@ proc/explosion(turf/epicenter, devastation_range, heavy_impact_range, light_impa
 
 proc/secondaryexplosion(turf/epicenter, range)
 	for(var/turf/tile in range(range, epicenter))
-		tile.ex_act(2)
\ No newline at end of file
+		tile.ex_act(2)