diff --git a/crates/border-wars/src/map/generation.rs b/crates/border-wars/src/map/generation.rs
index 4239923..dd263b3 100644
--- a/crates/border-wars/src/map/generation.rs
+++ b/crates/border-wars/src/map/generation.rs
@@ -85,9 +85,9 @@ fn get_type(position: Vec2, noise: &Perlin) -> Tile {
 fn delete_map(
     mut commands: Commands,
     query: Query<Entity, With<Tile>>,
-    mut event: EventReader<StartMapGeneration>,
+    mut start_generation_events: EventReader<StartMapGeneration>,
 ) {
-    for _ in event.read() {
+    for _ in start_generation_events.read() {
         for entity in query.iter() {
             commands.entity(entity).despawn_recursive();
         }