diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc4194d8..e04a563f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,7 +43,7 @@ VS Code v0.00.0
 
 ### Bug Fixes
 
-- item
+- Fix logout when using a base path (#3608)
 
 ### Documentation
 
diff --git a/src/node/routes/logout.ts b/src/node/routes/logout.ts
index e42789b4..d1a19dfe 100644
--- a/src/node/routes/logout.ts
+++ b/src/node/routes/logout.ts
@@ -8,7 +8,7 @@ router.get("/", async (req, res) => {
   // Must use the *identical* properties used to set the cookie.
   res.clearCookie(Cookie.Key, {
     domain: getCookieDomain(req.headers.host || "", req.args["proxy-domain"]),
-    path: req.body.base || "/",
+    path: req.query.base || "/",
     sameSite: "lax",
   })