diff --git a/core/src/mindustry/content/ErekirTechTree.java b/core/src/mindustry/content/ErekirTechTree.java
index 804850dafa..c3e0c06a9d 100644
--- a/core/src/mindustry/content/ErekirTechTree.java
+++ b/core/src/mindustry/content/ErekirTechTree.java
@@ -340,7 +340,7 @@ public class ErekirTechTree{
             //TODO more sectors
             node(onset, () -> {
                 node(two, Seq.with(new SectorComplete(onset), new Research(ductRouter), new Research(ductBridge)), () -> {
-                    node(three, Seq.with(new SectorComplete(two), new Research(ventCondenser)), () -> {
+                    node(three, Seq.with(new SectorComplete(two), new Research(ventCondenser), new Research(shipFabricator)), () -> {
                         node(four, Seq.with(new SectorComplete(three)), () -> {
 
                         });
diff --git a/core/src/mindustry/content/UnitTypes.java b/core/src/mindustry/content/UnitTypes.java
index 23ac2198b1..8bf052c5f8 100644
--- a/core/src/mindustry/content/UnitTypes.java
+++ b/core/src/mindustry/content/UnitTypes.java
@@ -3946,7 +3946,7 @@ public class UnitTypes{
             mineFloor = false;
             mineHardnessScaling = false;
             flying = true;
-            mineSpeed = 4f;
+            mineSpeed = 6f;
             mineTier = 3;
             buildSpeed = 1.2f;
             drag = 0.08f;
@@ -4010,7 +4010,7 @@ public class UnitTypes{
             mineFloor = false;
             mineHardnessScaling = false;
             flying = true;
-            mineSpeed = 4.5f;
+            mineSpeed = 8f;
             mineTier = 3;
             buildSpeed = 1.4f;
             drag = 0.08f;
@@ -4087,7 +4087,7 @@ public class UnitTypes{
             mineFloor = false;
             mineHardnessScaling = false;
             flying = true;
-            mineSpeed = 5f;
+            mineSpeed = 9f;
             mineTier = 3;
             buildSpeed = 1.5f;
             drag = 0.08f;