diff --git a/code/modules/hydroponics/grown/banana.dm b/code/modules/hydroponics/grown/banana.dm
index 09d07b808a..0411a80443 100644
--- a/code/modules/hydroponics/grown/banana.dm
+++ b/code/modules/hydroponics/grown/banana.dm
@@ -151,7 +151,7 @@
 	spawn(30)
 		if(!QDELETED(src))
 			var/mob/living/simple_animal/banana_spider/S = new /mob/living/simple_animal/banana_spider(get_turf(src.loc))
-			S.speed += round(10 - 10 * (seed.potency/100), 1)
+			S.speed += round(10 / max(seed.potency, 1), 1)
 			S.visible_message("<span class='notice'>The banana spider chitters as it stretches its legs.</span>")
 			qdel(src)