diff --git a/start_server.sh b/start_server.sh
index 4271227..dbb864f 100755
--- a/start_server.sh
+++ b/start_server.sh
@@ -6,7 +6,7 @@ export PORT="${PORT:-5001}"
 export HOST="${HOST:-"0.0.0.0"}"
 
 # Performance settings
-UVICORN_WORKERS="${WITH_UI:-1}"
+UVICORN_WORKERS="${UVICORN_WORKERS:-1}"
 
 # Development settings
 export WITH_UI="${WITH_UI:-"true"}"