diff --git a/start_server.sh b/start_server.sh
index 14f4373..ac2ea3a 100755
--- a/start_server.sh
+++ b/start_server.sh
@@ -5,7 +5,7 @@ set -e -o pipefail
 WORKSPACE_DIR="${WORKSPACE_DIR:-/workspace}"
 
 SERVER_DIR="$WORKSPACE_DIR/vast-pyworker"
-ENV_PATH="$WORKSPACE_DIR/worker-env"
+ENV_PATH="${ENV_PATH:-$WORKSPACE_DIR/worker-env}"
 DEBUG_LOG="$WORKSPACE_DIR/debug.log"
 PYWORKER_LOG="$WORKSPACE_DIR/pyworker.log"