diff --git a/code/datums/elements/photosynthesis.dm b/code/datums/elements/photosynthesis.dm
index 049506a138..93e4369b8b 100644
--- a/code/datums/elements/photosynthesis.dm
+++ b/code/datums/elements/photosynthesis.dm
@@ -20,7 +20,7 @@
 	///List of atoms this element is attached to. Doubles as a multiplier if the same element is attached multiple times to a target multiple times.
 	var/list/attached_atoms
 
-/datum/element/photosynthesis/Attach(datum/target, brute = -1, burn = -1, tox = -1, oxy = -1, nutri = 4, minus = 0.5, bonus = 0.2, malus = 0)
+/datum/element/photosynthesis/Attach(datum/target, brute = -1, burn = -1, tox = -1, oxy = -1, nutri = 4, minus = 0.2, bonus = 0.3, malus = -0.1)
 	. = ..()
 	if(. == ELEMENT_INCOMPATIBLE || !(isliving(target) || (isobj(target) && light_bruteheal)))
 		return ELEMENT_INCOMPATIBLE