diff --git a/apps/backend/.env.development b/apps/backend/.env.development
index b4d6c9c74..fdbf771c9 100644
--- a/apps/backend/.env.development
+++ b/apps/backend/.env.development
@@ -120,7 +120,7 @@ STACK_QSTASH_CURRENT_SIGNING_KEY=sig_7kYjw48mhY7kAjqNGcy6cr29RJ6r
 STACK_QSTASH_NEXT_SIGNING_KEY=sig_5ZB6DVzB1wjE8S6rZ7eenA8Pdnhs
 
 # MCP review tool (SpacetimeDB)
-STACK_SPACETIMEDB_URI=http://localhost:${NEXT_PUBLIC_HEXCLAVE_PORT_PREFIX:-81}39
+STACK_SPACETIMEDB_URL=http://localhost:${NEXT_PUBLIC_HEXCLAVE_PORT_PREFIX:-81}39
 STACK_SPACETIMEDB_DB_NAME=stack-auth-llm
 STACK_MCP_LOG_TOKEN=change-me