diff --git a/ts/logging/debuglogs.ts b/ts/logging/debuglogs.ts
index 6b503242f1..9b32d867cb 100644
--- a/ts/logging/debuglogs.ts
+++ b/ts/logging/debuglogs.ts
@@ -43,9 +43,11 @@ export const uploadDebugLogs = async (
   const signedForm = await got.get(BASE_URL, { json: true, headers });
   const { fields, url } = parseTokenBody(signedForm.body);
 
+  const uploadKey = `${fields.key}.gz`;
+
   const form = new FormData();
   // The API expects `key` to be the first field:
-  form.append('key', fields.key);
+  form.append('key', uploadKey);
   Object.entries(fields)
     .filter(([key]) => key !== 'key')
     .forEach(([key, value]) => {
@@ -76,5 +78,5 @@ export const uploadDebugLogs = async (
   }
   window.log.info('Debug log upload complete.');
 
-  return `${BASE_URL}/${fields.key}`;
+  return `${BASE_URL}/${uploadKey}`;
 };
diff --git a/ts/test-node/logging/uploadDebugLogs_test.ts b/ts/test-node/logging/uploadDebugLogs_test.ts
index 581edb40e7..1ad52607e9 100644
--- a/ts/test-node/logging/uploadDebugLogs_test.ts
+++ b/ts/test-node/logging/uploadDebugLogs_test.ts
@@ -40,7 +40,7 @@ describe('uploadDebugLogs', () => {
   it('makes a request to get the S3 bucket, then uploads it there', async function test() {
     assert.strictEqual(
       await uploadDebugLogs('hello world', '1.2.3'),
-      'https://debuglogs.org/abc123'
+      'https://debuglogs.org/abc123.gz'
     );
 
     sinon.assert.calledOnce(this.fakeGet);
diff --git a/ts/util/lint/exceptions.json b/ts/util/lint/exceptions.json
index d8c83afaff..69b91504a3 100644
--- a/ts/util/lint/exceptions.json
+++ b/ts/util/lint/exceptions.json
@@ -14138,7 +14138,7 @@
   {
     "rule": "jQuery-append(",
     "path": "ts/logging/debuglogs.js",
-    "line": "    form.append('key', fields.key);",
+    "line": "    form.append('key', uploadKey);",
     "reasonCategory": "falseMatch",
     "updated": "2020-12-17T18:08:07.752Z"
   },
@@ -14166,7 +14166,7 @@
   {
     "rule": "jQuery-append(",
     "path": "ts/logging/debuglogs.ts",
-    "line": "  form.append('key', fields.key);",
+    "line": "  form.append('key', uploadKey);",
     "reasonCategory": "falseMatch",
     "updated": "2020-12-17T18:08:07.752Z"
   },
@@ -14308,4 +14308,4 @@
     "updated": "2021-03-18T21:41:28.361Z",
     "reasonDetail": "A generic hook. Typically not to be used with non-DOM values."
   }
-]
+]
\ No newline at end of file