diff --git a/code/modules/reagents/Chemistry-Goon-Other.dm b/code/modules/reagents/Chemistry-Goon-Other.dm
index 62b5a848c9a..963e85a214c 100644
--- a/code/modules/reagents/Chemistry-Goon-Other.dm
+++ b/code/modules/reagents/Chemistry-Goon-Other.dm
@@ -118,8 +118,8 @@ datum/reagent/colorful_reagent
 	required_reagents = list("stable_plasma" = 1, "radium" = 1, "space_drugs" = 1, "cryoxadone" = 1, "triple_citrus" = 1)
 	result_amount = 5
 
-datum/reagent/colorful_reagent/reaction_mob(var/mob/M, var/volume)
-	if(M)
+datum/reagent/colorful_reagent/reaction_mob(var/mob/living/M, var/volume)
+	if(M && isliving(M))
 		M.color = pick(potential_colors)
 	..()
 	return
@@ -147,4 +147,4 @@ datum/reagent/triple_citrus
 	id = "triple_citrus"
 	result = "triple_citrus"
 	required_reagents = list("lemonjuice" = 1, "limejuice" = 1, "orangejuice" = 1)
-	result_amount = 5
\ No newline at end of file
+	result_amount = 5