diff --git a/app.py b/app.py
index d14cc0d..6f4c227 100644
--- a/app.py
+++ b/app.py
@@ -109,7 +109,7 @@
         "NODE_ENV": "development",
         "MONGODB_PORT": f"{mongodb_port}",
         "MONGODB_NAME": "agora",
-        "MONDODB_USER": docdb_master_username,
+        "MONGODB_USER": docdb_master_username,
         "MONGODB_HOST": docdb_stack.cluster.cluster_endpoint.hostname,
     },
     container_secrets=[