diff --git a/scenes/tilemap/tilemap.gd b/scenes/tilemap/tilemap.gd
index 99f75444..244f6eb8 100644
--- a/scenes/tilemap/tilemap.gd
+++ b/scenes/tilemap/tilemap.gd
@@ -30,8 +30,8 @@ const TILE_REQUEST_NAME: = 'tile_request_%d'
 @export var show_ship_radius: bool = true
 @export var ship_radius_km: float = 8.0
 @onready var coordinates_label: String
-@onready var threat_mark: PackedScene = load("res://scenes/tilemap/threat.tscn")
-@onready var ship_mark: PackedScene = load("res://scenes/tilemap/ship-mark.tscn")
+@onready var threat_mark: PackedScene = load('res://scenes/tilemap/threat.tscn')
+@onready var ship_mark: PackedScene = load('res://scenes/tilemap/ship-mark.tscn')
 var ship_id := 9999
 var ship_instance: Node2D = null
 const default_size: = 400.0
@@ -771,19 +771,19 @@ func zoom_out() -> void:
 
 
 func _on_zoom_plus_button_down() -> void:
-    zoom_action = "in"
+    zoom_action = 'in'
     perform_zoom()
     zoom_timer.start(0.3)
 
 
 func _on_zoom_minus_button_down() -> void:
-    zoom_action = "out"
+    zoom_action = 'out'
     perform_zoom()
     zoom_timer.start(0.3)
 
 
 func _on_zoom_button_up() -> void:
-    zoom_action = ""
+    zoom_action = ''
     zoom_timer.stop()
 
 
@@ -793,8 +793,8 @@ func _on_zoom_timeout():
 
 
 func perform_zoom():
-    if zoom_action != "":
-        if zoom_action == "in":
+    if zoom_action != '':
+        if zoom_action == 'in':
             zoom_in()
         else:
             zoom_out()
diff --git a/scenes/tilemap/tilemap.tscn b/scenes/tilemap/tilemap.tscn
index aee29512..ab492dd2 100644
--- a/scenes/tilemap/tilemap.tscn
+++ b/scenes/tilemap/tilemap.tscn
@@ -28,6 +28,7 @@ size = Vector2(400, 400)
 
 [node name="tilemap" type="CanvasGroup" groups=["gui_items"]]
 script = ExtResource("1_l64tp")
+max_zoom_level_server = 11
 
 [node name="canvas" type="TextureRect" parent="." groups=["gui_items"]]
 clip_contents = true