diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 2707da5c97..566c2132c0 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -6197,9 +6197,9 @@ public class Blocks{
         }};
 
         airFactory = new UnitFactory("air-factory"){{
-            requirements(Category.units, with(Items.copper, 60, Items.lead, 70));
+            requirements(Category.units, with(Items.copper, 60, Items.lead, 70, Items.silicon, 60));
             plans = Seq.with(
-                new UnitPlan(UnitTypes.flare, 60f * 15, with(Items.silicon, 20)),
+                new UnitPlan(UnitTypes.flare, 60f * 15, with(Items.silicon, 15)),
                 new UnitPlan(UnitTypes.mono, 60f * 35, with(Items.silicon, 30, Items.lead, 15))
             );
             size = 3;