diff --git a/server.js b/server.js
index 3f448b2ba..6f7f3a9e8 100644
--- a/server.js
+++ b/server.js
@@ -2726,7 +2726,12 @@ app.get('/discover_extensions', jsonParser, function (_, response) {
         .filter(f => fs.statSync(path.join(directories.extensions, f)).isDirectory())
         .filter(f => f !== 'third-party');
 
-    // get all folders in the third-party folder
+    // get all folders in the third-party folder, if it exists
+
+    if (!fs.existsSync(path.join(directories.extensions, 'third-party'))) {
+        return response.send(extensions);
+    }
+    
     const thirdPartyExtensions = fs
         .readdirSync(path.join(directories.extensions, 'third-party'))
         .filter(f => fs.statSync(path.join(directories.extensions, 'third-party', f)).isDirectory());