diff --git a/crates/border-wars/src/map/generation.rs b/crates/border-wars/src/map/generation.rs
index 0860304..dcd92b8 100644
--- a/crates/border-wars/src/map/generation.rs
+++ b/crates/border-wars/src/map/generation.rs
@@ -28,9 +28,14 @@ pub struct MapGenerationEvent {
     pub radius: usize,
 }
 
+/// An event send when the map is generated.
+#[derive(Event)]
+pub struct EndMapGenerationEvent;
+
 /// Spawns the tiles if the event is received.
 fn generate_map(
     mut event: EventReader<MapGenerationEvent>,
+    mut end_map_event: EventWriter<EndMapGenerationEvent>,
     mut commands: Commands,
     mut noise: Local<Option<Perlin>>,
     mut map_iterator: Local<Option<HexSpiral<isize>>>,
@@ -47,6 +52,7 @@ fn generate_map(
 
             commands.spawn((get_type_tile(pixel_position, perlin), position));
         } else {
+            end_map_event.send(EndMapGenerationEvent);
             *noise = None;
             *map_iterator = None;
         }