diff --git a/core/assets/planets/TODO.dat b/core/assets/planets/TODO.dat
index db308eedc8..481f8038b4 100644
Binary files a/core/assets/planets/TODO.dat and b/core/assets/planets/TODO.dat differ
diff --git a/core/src/mindustry/type/Planet.java b/core/src/mindustry/type/Planet.java
index 87732d411b..06ac6bca46 100644
--- a/core/src/mindustry/type/Planet.java
+++ b/core/src/mindustry/type/Planet.java
@@ -88,6 +88,8 @@ public class Planet extends UnlockableContent{
                     t.printStackTrace();
                 }
             }
+
+            sectors.random().unlocked = true;
         }else{
             sectors = new Array<>();
         }
diff --git a/core/src/mindustry/type/Sector.java b/core/src/mindustry/type/Sector.java
index 6affe16f97..988e579f51 100644
--- a/core/src/mindustry/type/Sector.java
+++ b/core/src/mindustry/type/Sector.java
@@ -21,6 +21,7 @@ public class Sector{
     public final SectorData data;
 
     public @Nullable SaveSlot save;
+    public boolean unlocked;
 
     //TODO implement a dynamic (?) launch period
     public int launchPeriod = 10;
@@ -35,7 +36,7 @@ public class Sector{
     }
 
     public boolean locked(){
-        return true;
+        return !unlocked;
     }
 
     /** @return light dot product in the range [0, 1]. */
diff --git a/core/src/mindustry/ui/dialogs/PlanetDialog.java b/core/src/mindustry/ui/dialogs/PlanetDialog.java
index ed1fe67710..df25ea98f9 100644
--- a/core/src/mindustry/ui/dialogs/PlanetDialog.java
+++ b/core/src/mindustry/ui/dialogs/PlanetDialog.java
@@ -213,7 +213,7 @@ public class PlanetDialog extends FloatingDialog{
         batch.proj().mul(planet.getTransform(mat));
 
         for(Sector sec : planet.sectors){
-            if(sec.save == null){
+            if(sec.locked()){
                 draw(sec, shadowColor, -0.001f);
             }
         }
diff --git a/tools/src/mindustry/tools/SectorDataGenerator.java b/tools/src/mindustry/tools/SectorDataGenerator.java
index 337cf05027..efaa6254c2 100644
--- a/tools/src/mindustry/tools/SectorDataGenerator.java
+++ b/tools/src/mindustry/tools/SectorDataGenerator.java
@@ -92,8 +92,7 @@ public class SectorDataGenerator{
 
                 //50% water -> naval attribute
                 //TODO also select sectors with water spawns
-                if((float)waterFloors / totalFloors >= 0.5f){
-                    Log.info("Floor percentage for sector {0} : {1}", sector.id, (int)((float)waterFloors / totalFloors * 100));
+                if((float)waterFloors / totalFloors >= 0.6f){
                     data.attributes |= (1 << SectorAttribute.naval.ordinal());
                 }