diff --git a/code/modules/mining/machine_processing.dm b/code/modules/mining/machine_processing.dm
index 6eeb8768c6d..a7db269f525 100644
--- a/code/modules/mining/machine_processing.dm
+++ b/code/modules/mining/machine_processing.dm
@@ -241,6 +241,13 @@
 					else
 						on = 0
 					continue
+				if (selected_glass == 1 && selected_gold == 0 && selected_silver == 0 && selected_diamond == 0 && selected_plasma == 0 && selected_uranium == 0 && selected_iron == 1 && selected_clown == 0 && selected_adamantine == 0)
+					if (ore_glass > 0)
+						ore_glass--;
+						new /obj/item/stack/sheet/rglass(output.loc)
+					else
+						on = 0
+					continue
 				if (selected_glass == 0 && selected_gold == 1 && selected_silver == 0 && selected_diamond == 0 && selected_plasma == 0 && selected_uranium == 0 && selected_iron == 0 && selected_clown == 0 && selected_adamantine == 0)
 					if (ore_gold > 0)
 						ore_gold--;