diff --git a/README.md b/README.md
index 9555ae7..49e3dd2 100644
--- a/README.md
+++ b/README.md
@@ -77,7 +77,7 @@ This module exports the `URL` and `URLSearchParams` [interface wrappers API](htt
 
 First, install [Node.js](https://nodejs.org/). Then, fetch the dependencies of whatwg-url, by running from this directory:
 
-    npm
+    npm install
 
 To run tests:
 
diff --git a/scripts/get-latest-platform-tests.js b/scripts/get-latest-platform-tests.js
index f9744fb..3bd1904 100644
--- a/scripts/get-latest-platform-tests.js
+++ b/scripts/get-latest-platform-tests.js
@@ -23,7 +23,7 @@ process.on("unhandledRejection", err => {
 // 1. Go to https://github.com/w3c/web-platform-tests/tree/master/url
 // 2. Press "y" on your keyboard to get a permalink
 // 3. Copy the commit hash
-const commitHash = "9b7ab1c11b7e0cf9b43ea6dbb282c33e4d193726";
+const commitHash = "efec8204e84d434d80407bb7cf8df37d33cabaa1";
 
 const urlPrefix = `https://raw.githubusercontent.com/web-platform-tests/wpt/${commitHash}/url/`;
 const targetDir = path.resolve(__dirname, "..", "test", "web-platform-tests");
diff --git a/src/url-state-machine.js b/src/url-state-machine.js
index adc2b1f..f2bfd42 100644
--- a/src/url-state-machine.js
+++ b/src/url-state-machine.js
@@ -1154,10 +1154,7 @@ URLStateMachine.prototype["parse query"] = function parseQuery(c, cStr) {
 };
 
 URLStateMachine.prototype["parse fragment"] = function parseFragment(c) {
-  if (isNaN(c)) { // do nothing
-  } else if (c === 0x0) {
-    this.parseError = true;
-  } else {
+  if (!isNaN(c)) {
     // TODO: If c is not a URL code point and not "%", parse error.
     if (c === p("%") &&
       (!infra.isASCIIHex(this.input[this.pointer + 1]) ||