diff --git a/server.js b/server.js
index 34dd8684a..9ff0b1205 100644
--- a/server.js
+++ b/server.js
@@ -288,6 +288,7 @@ async function preSetupTasks() {
         if (typeof cleanupPlugins === 'function') {
             await cleanupPlugins();
         }
+        diskCache.dispose();
         setWindowTitle(consoleTitle);
         process.exit();
     };