diff --git a/code/modules/reagents/reagents/_reagents.dm b/code/modules/reagents/reagents/_reagents.dm
index 9a0817f233..384696bb56 100644
--- a/code/modules/reagents/reagents/_reagents.dm
+++ b/code/modules/reagents/reagents/_reagents.dm
@@ -171,7 +171,7 @@
 	if(overdose && (volume > overdose * M?.species.chemOD_threshold) && (active_metab.metabolism_class != CHEM_TOUCH && !can_overdose_touch))
 		overdose(M, alien, removed)
 	if(M.species.allergens & allergen_type)	//uhoh, we can't handle this!
-		M.add_chemical_effect(CE_ALLERGEN,allergen_factor)
+		M.add_chemical_effect(CE_ALLERGEN, allergen_factor * removed)
 	remove_self(removed)
 	return