diff --git a/code/modules/mob/living/carbon/human/species/species.dm b/code/modules/mob/living/carbon/human/species/species.dm
index 76b8c6ad932..8fa5dddad77 100644
--- a/code/modules/mob/living/carbon/human/species/species.dm
+++ b/code/modules/mob/living/carbon/human/species/species.dm
@@ -376,7 +376,7 @@
 		return 1
 
 	if(!H.druggy)
-		H.see_in_dark = (H.sight == SEE_TURFS|SEE_MOBS|SEE_OBJS) ? 8 : min(darksight + H.equipment_darkness_modifier, 8)
+		H.see_in_dark = (H.sight == (SEE_TURFS|SEE_MOBS|SEE_OBJS)) ? 8 : min(darksight + H.equipment_darkness_modifier, 8)
 		if(H.seer)
 			var/obj/effect/rune/R = locate() in H.loc
 			if(R && R.word1 == cultwords["see"] && R.word2 == cultwords["hell"] && R.word3 == cultwords["join"])
diff --git a/html/changelogs/skull132-nightvision.yml b/html/changelogs/skull132-nightvision.yml
new file mode 100644
index 00000000000..d6d3bb7d73a
--- /dev/null
+++ b/html/changelogs/skull132-nightvision.yml
@@ -0,0 +1,6 @@
+author: Skull132
+
+delete-after: True
+
+changes:
+  - bugfix: "Mesons and thermals no longer function as proper night-vision."