diff --git a/backend/secretshare/mpce.py b/backend/secretshare/mpce.py
index dcd5c85..e10f8b9 100644
--- a/backend/secretshare/mpce.py
+++ b/backend/secretshare/mpce.py
@@ -3,6 +3,7 @@
 import uuid
 import numbers
 import logging
+import urllib.parse
 from typing import Any, Dict, List, Optional, Tuple, Union, Callable
 from itertools import groupby
 from operator import itemgetter
@@ -35,8 +36,8 @@ def __init__(self, protocol: str = "shamirs", prime: int = 180252380737439):
 
         self.mongo_host = os.environ.get("MONGO_HOST")
         self.mongo_port = os.environ.get("MONGO_PORT")
-        self.mongo_user = os.environ.get("MONGO_USER", "bwwc")
-        self.mongo_password = os.environ.get("MONGO_PASSWORD")
+        self.mongo_user = urllib.parse.quote_plus(os.environ.get("MONGO_USER", "bwwc"))
+        self.mongo_password = urllib.parse.quote_plus(os.environ.get("MONGO_PASSWORD")
         self.mongo_db = os.environ.get("MONGO_DB", "bwwc") 
         self.mongo_params = os.environ.get("MONGO_PARAMS", "") 
         mongo_uri = f"mongodb://{self.mongo_user}:{self.mongo_password}@{self.mongo_host}:{self.mongo_port}/?{self.mongo_params}"