diff --git a/code/modules/reagents/chemistry/reagents/drugs.dm b/code/modules/reagents/chemistry/reagents/drugs.dm
index a848330e431..ea110581083 100644
--- a/code/modules/reagents/chemistry/reagents/drugs.dm
+++ b/code/modules/reagents/chemistry/reagents/drugs.dm
@@ -543,7 +543,7 @@
 		M.AdjustConfused(-5)
 		update_flags |= M.SetWeakened(0, FALSE)
 	if(volume >= 70 && prob(25))
-		if(M.reagents.has_reagent("thc") <= 20)
+		if(M.reagents.get_reagent_amount("thc") <= 20)
 			M.Drowsy(10)
 	if(prob(25))
 		update_flags |= M.adjustBruteLoss(-2, FALSE)