diff --git a/code/modules/reagents/machinery/chem_master.dm b/code/modules/reagents/machinery/chem_master.dm
index 3fdca52296a..9147588d70b 100644
--- a/code/modules/reagents/machinery/chem_master.dm
+++ b/code/modules/reagents/machinery/chem_master.dm
@@ -239,7 +239,7 @@
 				if("create_bottle_multiple")
 					if(condi || !reagents.total_volume)
 						return
-					tgui_modal_input(src, id, "Please enter the amount of bottles to make (max [MAX_MULTI_AMOUNT] at a time):", null, arguments, pillamount, 5)
+					tgui_modal_input(src, id, "Please enter the amount of bottles to make (max [MAX_MULTI_AMOUNT] at a time):", null, arguments, pillamount / 5, 5)
 				if("change_bottle_style")
 					var/list/choices = list()
 					for(var/i = 1 to MAX_BOTTLE_SPRITE)