diff --git a/src/coords.rs b/src/coords.rs
index 4e848e9a..4f9ce2ca 100644
--- a/src/coords.rs
+++ b/src/coords.rs
@@ -101,7 +101,7 @@ impl TileCoords {
             }
             key.push(b);
         }
-        return key;
+        key
     }
 }
 
diff --git a/src/io/static_tile_fetcher.rs b/src/io/static_tile_fetcher.rs
index 0e066b0b..7fbe9fe1 100644
--- a/src/io/static_tile_fetcher.rs
+++ b/src/io/static_tile_fetcher.rs
@@ -60,7 +60,7 @@ mod tests {
         assert!(fetcher.fetch_tile(&(0, 0, 0).into()).await.is_err()); // World overview
         let world_tile: WorldTileCoords = (MUNICH_X, MUNICH_Y, MUNICH_Z).into();
         assert!(fetcher
-            .fetch_tile(&world_tile.into_tile(TileAddressingScheme::XYZ))
+            .fetch_tile(&world_tile.into_tile(TileAddressingScheme::XYZ).unwrap())
             .await
             .is_ok()); // Maxvorstadt Munich
     }