diff --git a/code/datums/bodypart_overlays/mutant_bodypart_overlay.dm b/code/datums/bodypart_overlays/mutant_bodypart_overlay.dm
index 5b9101273bc..06e3a636f9b 100644
--- a/code/datums/bodypart_overlays/mutant_bodypart_overlay.dm
+++ b/code/datums/bodypart_overlays/mutant_bodypart_overlay.dm
@@ -128,7 +128,7 @@
 			draw_color = bodypart_owner.draw_color
 		if(ORGAN_COLOR_HAIR)
 			var/datum/species/species = bodypart_owner.owner?.dna?.species
-			var/fixed_color = species?.get_fixed_hair_color(bodypart_owner)
+			var/fixed_color = species?.get_fixed_hair_color(bodypart_owner.owner)
 			if(!ishuman(bodypart_owner.owner))
 				draw_color = fixed_color
 				return