diff --git a/benchmark/index.html b/benchmark/index.html
index b717d981..3235e2cd 100644
--- a/benchmark/index.html
+++ b/benchmark/index.html
@@ -6,7 +6,7 @@
         <meta name="viewport" content="width=device-width, initial-scale=1">
         <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
         <script src="pixelmatch.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             html {
diff --git a/examples/comparison.html b/examples/comparison.html
index 1f395ead..892fdb21 100644
--- a/examples/comparison.html
+++ b/examples/comparison.html
@@ -9,7 +9,7 @@
         <link rel="stylesheet" href="https://unpkg.com/maplibre-gl@3.3.1/dist/maplibre-gl.css" crossorigin="anonymous">
         <script src="https://unpkg.com/maplibre-gl@3.3.1/dist/maplibre-gl.js" crossorigin="anonymous"></script>
         <script src="https://unpkg.com/@maplibre/maplibre-gl-leaflet@0.0.20/leaflet-maplibre-gl.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <style>
             #parent {
                 display:flex;
diff --git a/examples/fonts.html b/examples/fonts.html
index 25739fc2..e658d8b5 100644
--- a/examples/fonts.html
+++ b/examples/fonts.html
@@ -5,7 +5,7 @@
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"/>
         <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
         <script src="https://unpkg.com/leaflet-hash@0.2.1/leaflet-hash.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
 
         <link href="https://fonts.googleapis.com/css2?family=Inter:wght@100..900&family=Work+Sans:wght@100..900&family=Petrona:wght@100..900&family=Raleway:wght@100..900" rel="stylesheet">
diff --git a/examples/inset.html b/examples/inset.html
index e622d976..222b1c05 100644
--- a/examples/inset.html
+++ b/examples/inset.html
@@ -2,7 +2,7 @@
     <head>
         <meta charset="utf-8" />
         <meta name="viewport" content="width=device-width, initial-scale=1">
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             #map {
diff --git a/examples/labels.html b/examples/labels.html
index 43dd7cca..31b10b70 100644
--- a/examples/labels.html
+++ b/examples/labels.html
@@ -5,7 +5,7 @@
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"/>
         <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
         <script src="https://unpkg.com/leaflet-hash@0.2.1/leaflet-hash.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             body, #map {
diff --git a/examples/leaflet.html b/examples/leaflet.html
index f34d3c1c..623a009d 100644
--- a/examples/leaflet.html
+++ b/examples/leaflet.html
@@ -5,7 +5,7 @@
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"/>
         <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
         <script src="https://unpkg.com/leaflet-hash@0.2.1/leaflet-hash.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             body, #map {
diff --git a/examples/multi_source.html b/examples/multi_source.html
index ce9bb84a..ad5ce78f 100644
--- a/examples/multi_source.html
+++ b/examples/multi_source.html
@@ -5,7 +5,7 @@
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"/>
         <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
         <script src="https://unpkg.com/leaflet-hash@0.2.1/leaflet-hash.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             body, #map {
diff --git a/examples/pmtiles.html b/examples/pmtiles.html
index 89acb623..3bb41fe0 100644
--- a/examples/pmtiles.html
+++ b/examples/pmtiles.html
@@ -4,7 +4,7 @@
         <meta name="viewport" content="width=device-width, initial-scale=1">
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"/>
         <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             body, #map {
diff --git a/examples/pmtiles_headers.html b/examples/pmtiles_headers.html
index 94858194..f2135ce4 100644
--- a/examples/pmtiles_headers.html
+++ b/examples/pmtiles_headers.html
@@ -5,7 +5,7 @@
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"/>
         <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
         <script src="https://unpkg.com/pmtiles@3.0.3/dist/pmtiles.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             body, #map {
diff --git a/examples/sandwich.html b/examples/sandwich.html
index 9d8f8deb..0ff9e405 100644
--- a/examples/sandwich.html
+++ b/examples/sandwich.html
@@ -5,7 +5,7 @@
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"/>
         <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
         <script src="https://unpkg.com/leaflet-hash@0.2.1/leaflet-hash.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             body, #map {
diff --git a/examples/sprites.html b/examples/sprites.html
index 96e9fc32..bb68096c 100644
--- a/examples/sprites.html
+++ b/examples/sprites.html
@@ -5,7 +5,7 @@
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"/>
         <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
         <script src="https://unpkg.com/leaflet-hash@0.2.1/leaflet-hash.js"></script>
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             body, #map {
diff --git a/examples/static.html b/examples/static.html
index 921be509..7d0b549e 100644
--- a/examples/static.html
+++ b/examples/static.html
@@ -2,7 +2,7 @@
     <head>
         <meta charset="utf-8" />
         <meta name="viewport" content="width=device-width, initial-scale=1">
-        <script src="https://unpkg.com/protomaps-leaflet@3.1.0/dist/protomaps-leaflet.min.js"></script>
+        <script src="https://unpkg.com/protomaps-leaflet@3.1.1/dist/protomaps-leaflet.min.js"></script>
         <!-- <script src="../dist/protomaps-leaflet.js"></script> -->
         <style>
             #map {
diff --git a/package-lock.json b/package-lock.json
index d531db49..2f3d8e08 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "protomaps-leaflet",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "protomaps-leaflet",
-      "version": "3.1.0",
+      "version": "3.1.1",
       "license": "BSD-3-Clause",
       "dependencies": {
         "@mapbox/point-geometry": "^0.1.0",
diff --git a/package.json b/package.json
index eb3a72d6..ff9569d7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "protomaps-leaflet",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "files": [
     "dist",
     "src"
diff --git a/src/view.ts b/src/view.ts
index a0f7727b..bbc47f49 100644
--- a/src/view.ts
+++ b/src/view.ts
@@ -241,7 +241,10 @@ export const sourcesToViews = (options: SourceOptions) => {
     const maxDataZoom = o.maxDataZoom || 15;
     let source: TileSource;
     if (typeof o.url === "string") {
-      if (o.url.endsWith(".pmtiles")) {
+      if (
+        o.url.startsWith("http") &&
+        new URL(o.url).pathname.endsWith(".pmtiles")
+      ) {
         source = new PmtilesSource(o.url, true);
       } else {
         source = new ZxySource(o.url, true);
diff --git a/test/view.test.ts b/test/view.test.ts
index 6ebdf540..75987d26 100644
--- a/test/view.test.ts
+++ b/test/view.test.ts
@@ -1,7 +1,7 @@
 import assert from "assert";
 import { test } from "node:test";
 import Point from "@mapbox/point-geometry";
-import { TileCache } from "../src/tilecache";
+import { PmtilesSource, TileCache } from "../src/tilecache";
 import { View, sourcesToViews, wrap } from "../src/view";
 import { StubSource } from "./test_helpers";
 
@@ -102,3 +102,8 @@ test("sources to views", async () => {
   });
   assert.equal(v.get("source1").levelDiff, 1);
 });
+
+test("sources to views with pmtiles parameters", async () => {
+  const v = sourcesToViews({ url: "http://example.com/foo.pmtiles?k=v" });
+  assert.ok(v.get("").tileCache.source instanceof PmtilesSource);
+});
