diff --git a/core/src/mindustry/world/blocks/units/UnitFactory.java b/core/src/mindustry/world/blocks/units/UnitFactory.java
index ab7fa7024b..948b85f0ff 100644
--- a/core/src/mindustry/world/blocks/units/UnitFactory.java
+++ b/core/src/mindustry/world/blocks/units/UnitFactory.java
@@ -39,12 +39,15 @@ public class UnitFactory extends UnitBlock{
         rotate = true;
 
         config(Integer.class, (UnitFactoryBuild tile, Integer i) -> {
+            if(tile.currentPlan == i) return;
             tile.currentPlan = i < 0 || i >= plans.size ? -1 : i;
             tile.progress = 0;
         });
 
         config(UnitType.class, (UnitFactoryBuild tile, UnitType val) -> {
-            tile.currentPlan = plans.indexOf(p -> p.unit == val);
+            int next = plans.indexOf(p -> p.unit == val);
+            if(tile.currentPlan == next) return;
+            tile.currentPlan = next;
             tile.progress = 0;
         });
 
diff --git a/gradle.properties b/gradle.properties
index d6205820f2..09cc4bfc63 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,4 +11,4 @@ android.useAndroidX=true
 #used for slow jitpack builds; TODO see if this actually works
 http.socketTimeout=80000
 http.connectionTimeout=80000
-archash=83ba08c732333d88d7f46142721cec043d6bbeee
+archash=dd43cacc5c5a68bd7160234a97b4fd48d9a816d7