diff --git a/dmoj/settings.py b/dmoj/settings.py
index d5cfa38..e136a4d 100644
--- a/dmoj/settings.py
+++ b/dmoj/settings.py
@@ -485,6 +485,9 @@ META_REMOTE_ADDRESS_KEY = "REMOTE_ADDR"
 
 DEFAULT_AUTO_FIELD = "django.db.models.AutoField"
 
+# Chunk upload
+CHUNK_UPLOAD_DIR = "/tmp/chunk_upload_tmp"
+
 try:
     with open(os.path.join(os.path.dirname(__file__), "local_settings.py")) as f:
         exec(f.read(), globals())
diff --git a/judge/utils/fine_uploader.py b/judge/utils/fine_uploader.py
index a9909a7..2a22ccf 100644
--- a/judge/utils/fine_uploader.py
+++ b/judge/utils/fine_uploader.py
@@ -35,7 +35,7 @@ def save_upload(f, path):
 
 # pass callback function to post_upload
 def handle_upload(f, fileattrs, upload_dir, post_upload=None):
-    chunks_dir = os.path.join(tempfile.gettempdir(), "chunk_upload_tmp")
+    chunks_dir = settings.CHUNK_UPLOAD_DIR
     if not os.path.exists(os.path.dirname(chunks_dir)):
         os.makedirs(os.path.dirname(chunks_dir))
     chunked = False