diff --git a/core/src/mindustry/input/InputHandler.java b/core/src/mindustry/input/InputHandler.java
index 73be92ad0d..90ac947c52 100644
--- a/core/src/mindustry/input/InputHandler.java
+++ b/core/src/mindustry/input/InputHandler.java
@@ -615,7 +615,9 @@ public abstract class InputHandler implements InputProcessor, GestureListener{
 
     @Remote(targets = Loc.both, called = Loc.both, forward = true)
     public static void tileConfig(@Nullable Player player, Building build, @Nullable Object value){
+        if(build == null && net.server()) throw new ValidateException(player, "building is null");
         if(build == null) return;
+
         if(net.server() && (!Units.canInteract(player, build) ||
             !netServer.admins.allowAction(player, ActionType.configure, build.tile, action -> action.config = value))){