diff --git a/spec/suites/layer/tile/TileLayerSpec.js b/spec/suites/layer/tile/TileLayerSpec.js
index 27a6a516c..49659974b 100644
--- a/spec/suites/layer/tile/TileLayerSpec.js
+++ b/spec/suites/layer/tile/TileLayerSpec.js
@@ -440,6 +440,26 @@ describe('TileLayer', () => {
 				i++;
 			});
 		});
+
+		it('consults options.foo for {foo}', () => {
+			const OSMLayer = TileLayer.extend({options: {foo: 'bar'}});
+			const layer = new OSMLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png?{foo}').addTo(map);
+			map.options.zoomSnap = 0;
+			map._resetView(new LatLng(0, 0), 2.3);
+
+			const urls = [
+				'https://tile.openstreetmap.org/2/1/1.png?bar',
+				'https://tile.openstreetmap.org/2/2/1.png?bar',
+				'https://tile.openstreetmap.org/2/1/2.png?bar',
+				'https://tile.openstreetmap.org/2/2/2.png?bar'
+			];
+
+			let i = 0;
+			eachImg(layer, (img) => {
+				expect(img.src).to.eql(urls[i]);
+				i++;
+			});
+		});
 	});
 
 	describe('crossOrigin option', () => {
diff --git a/src/layer/tile/TileLayer.js b/src/layer/tile/TileLayer.js
index ca54ba705..8c56550a0 100644
--- a/src/layer/tile/TileLayer.js
+++ b/src/layer/tile/TileLayer.js
@@ -187,14 +187,14 @@ export const TileLayer = GridLayer.extend({
 	// Called only internally, returns the URL for a tile given its coordinates.
 	// Classes extending `TileLayer` can override this function to provide custom tile URL naming schemes.
 	getTileUrl(coords) {
-		const data = {
-			...this.options,
+		const data = Object.create(this.options);
+		Object.assign(data, {
 			r: Browser.retina ? '@2x' : '',
 			s: this._getSubdomain(coords),
 			x: coords.x,
 			y: coords.y,
 			z: this._getZoomForUrl()
-		};
+		});
 		if (this._map && !this._map.options.crs.infinite) {
 			const invertedY = this._globalTileRange.max.y - coords.y;
 			if (this.options.tms) {