diff --git a/desktop/flipper-server-core/src/server/startServer.tsx b/desktop/flipper-server-core/src/server/startServer.tsx
index 3ae19cce4..795afeb44 100644
--- a/desktop/flipper-server-core/src/server/startServer.tsx
+++ b/desktop/flipper-server-core/src/server/startServer.tsx
@@ -212,8 +212,7 @@ async function startProxyServer(
       res.writeHead(502, 'Failed to proxy request');
     }
     res.end('Failed to proxy request: ' + err);
-    // TODO: should exit as proxying requests will continue to fail.
-    // TODO: track these instances.
+    tracker.track('server-proxy-error', {error: err.message});
   });
 
   return new Promise((resolve) => {
diff --git a/desktop/flipper-server-core/src/utils/tracker.tsx b/desktop/flipper-server-core/src/utils/tracker.tsx
index 00cfed71e..621f7cde1 100644
--- a/desktop/flipper-server-core/src/utils/tracker.tsx
+++ b/desktop/flipper-server-core/src/utils/tracker.tsx
@@ -16,6 +16,7 @@ type TrackerEvents = {
     error?: string;
   };
   'server-socket-already-in-use': {};
+  'server-proxy-error': {error: string};
 };
 
 class ServerCoreTracker {