diff --git a/core/src/mindustry/ctype/UnlockableContent.java b/core/src/mindustry/ctype/UnlockableContent.java
index 6cbe82e287..e86da73fea 100644
--- a/core/src/mindustry/ctype/UnlockableContent.java
+++ b/core/src/mindustry/ctype/UnlockableContent.java
@@ -9,6 +9,7 @@ import arc.scene.ui.layout.*;
 import arc.struct.*;
 import arc.util.*;
 import mindustry.annotations.Annotations.*;
+import mindustry.content.*;
 import mindustry.content.TechTree.*;
 import mindustry.game.EventType.*;
 import mindustry.graphics.*;
@@ -93,7 +94,7 @@ public abstract class UnlockableContent extends MappableContent{
     }
 
     public boolean isOnPlanet(@Nullable Planet planet){
-        return planet == null || shownPlanets.isEmpty() || shownPlanets.contains(planet);
+        return planet == null || planet == Planets.sun || shownPlanets.isEmpty() || shownPlanets.contains(planet);
     }
 
     public int getLogicId(){