diff --git a/api/server/routes/files/multer.js b/api/server/routes/files/multer.js
index c73bb6f010..3769cd14ae 100644
--- a/api/server/routes/files/multer.js
+++ b/api/server/routes/files/multer.js
@@ -7,13 +7,18 @@ const { fileConfig: defaultFileConfig, mergeFileConfig } = require('librechat-da
 const { getCustomConfig, getAppConfig } = require('~/server/services/Config');
 
 const storage = multer.diskStorage({
-  destination: async function (req, file, cb) {
-    const appConfig = await getAppConfig({ role: req.user?.role });
-    const outputPath = path.join(appConfig.paths.uploads, 'temp', req.user.id);
-    if (!fs.existsSync(outputPath)) {
-      fs.mkdirSync(outputPath, { recursive: true });
-    }
-    cb(null, outputPath);
+  destination: function (req, file, cb) {
+    getAppConfig({ role: req.user?.role })
+      .then((appConfig) => {
+        const outputPath = path.join(appConfig.paths.uploads, 'temp', req.user.id);
+        if (!fs.existsSync(outputPath)) {
+          fs.mkdirSync(outputPath, { recursive: true });
+        }
+        cb(null, outputPath);
+      })
+      .catch((error) => {
+        cb(error);
+      });
   },
   filename: function (req, file, cb) {
     req.file_id = crypto.randomUUID();
diff --git a/api/server/routes/files/multer.spec.js b/api/server/routes/files/multer.spec.js
index 9089e5e931..a5056dc4a2 100644
--- a/api/server/routes/files/multer.spec.js
+++ b/api/server/routes/files/multer.spec.js
@@ -479,21 +479,17 @@ describe('Multer Configuration', () => {
         },
       });
 
-      try {
-        // Call getDestination which should fail due to permission/path issues
-        storage.getDestination(mockReq, mockFile, (err, destination) => {
-          // If callback is reached, we didn't get the expected error
-          done(new Error('Expected mkdirSync to throw an error but callback was called'));
-        });
-        // If we get here without throwing, something unexpected happened
-        done(new Error('Expected mkdirSync to throw an error but no error was thrown'));
-      } catch (error) {
+      // Call getDestination which should fail due to permission/path issues
+      storage.getDestination(mockReq, mockFile, (err, destination) => {
+        // Now we expect the error to be passed to the callback
+        expect(err).toBeDefined();
         // This is the expected behavior - mkdirSync throws synchronously for invalid paths
         // On Linux, this typically returns EACCES (permission denied)
         // On macOS/Darwin, this returns ENOENT (no such file or directory)
-        expect(['EACCES', 'ENOENT']).toContain(error.code);
+        expect(['EACCES', 'ENOENT']).toContain(err.code);
+        expect(destination).toBeUndefined();
         done();
-      }
+      });
     });
 
     it('should handle malformed filenames with real sanitization', (done) => {