diff --git a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
index ef15ae7e1b..7a3a7eeec2 100644
--- a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
@@ -725,10 +725,10 @@ All effects don't start immediately, but rather get worse over time; the rate is
 	var/dorf_mode
 
 /datum/reagent/consumable/ethanol/manly_dorf/on_mob_metabolize(mob/living/M)
-	var/real_dorf = is_species(H, /datum/species/dwarf)
+	var/real_dorf = isdwarf(M) //_species(H, /datum/species/dwarf)
 	if(ishuman(M))
 		var/mob/living/carbon/human/H = M
-		if(H.dna.check_mutation(DWARFISM) || HAS_TRAIT(H, TRAIT_ALCOHOL_TOLERANCE || real_dorf)
+		if(H.dna.check_mutation(DWARFISM) || HAS_TRAIT(H, TRAIT_ALCOHOL_TOLERANCE) || real_dorf)
 			to_chat(H, "<span class='notice'>Now THAT is MANLY!</span>")
 			if(real_dorf)
 				boozepwr = 100 // Don't want dwarves to die because of a low booze power