diff --git a/testing/web-platform/meta/MANIFEST.json b/testing/web-platform/meta/MANIFEST.json
index 43e561cd54af..95db58105ac6 100644
--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@@ -382147,6 +382147,12 @@
      {}
     ]
    ],
+   "webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html": [
+    [
+     "/webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html",
+     {}
+    ]
+   ],
    "webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-null.html": [
     [
      "/webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-null.html",
@@ -624686,6 +624692,10 @@
    "8fac11e0ecfa8bfb9b49d68d0792793f44e94ad4",
    "testharness"
   ],
+  "webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html": [
+   "673bc5a4ff452dd83bd9209b33f40ccdadd0cf43",
+   "testharness"
+  ],
   "webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-null.html": [
    "f32f5acdf031b1a2b32bc37324b105d1df7c5fdb",
    "testharness"
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html
new file mode 100644
index 000000000000..31f115da5321
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      convolver-setBuffer-already-has-value.html
+    </title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      let audit = Audit.createTaskRunner();
+
+      audit.define('test', (task, should) => {
+        let context = new AudioContext();
+        let audioBuffer = new AudioBuffer(
+          {numberOfChannels: 1, length: 1, sampleRate: context.sampleRate});
+        let convolver = context.createConvolver();
+        should(() => {
+          convolver.buffer = null;
+        }, 'Set buffer to null before set non-null').notThrow();
+
+        should(() => {
+          convolver.buffer = audioBuffer;
+        }, 'Set buffer first normally').notThrow();
+
+        should(() => {
+          convolver.buffer = audioBuffer;
+        }, 'Set buffer a second time').throw('InvalidStateError');
+
+        should(() => {
+          convolver.buffer = null;
+        }, 'Set buffer to null').notThrow();
+
+        should(() => {
+          convolver.buffer = null;
+        }, 'Set buffer to null again, to make sure').notThrow();
+
+        should(() => {
+          convolver.buffer = audioBuffer;
+        }, 'Set buffer to non-null to verify to throw an error')
+        .throw('InvalidStateError');
+
+        task.done();
+      });
+
+      audit.run();
+    </script>
+  </body>
+</html>
