diff --git a/k8s/cloud-build_tmp.sh b/k8s/cloud-build_tmp.sh
index 8f6f04e9c2a6..fc965ee345f4 100644
--- a/k8s/cloud-build_tmp.sh
+++ b/k8s/cloud-build_tmp.sh
@@ -49,7 +49,7 @@ fi
 cd "$WORKING_DIR"
 
 # Load region-specific config
-CONFIG_FILE=".github/configs/${REGION}.yaml"
+CONFIG_FILE=".github/configs/.env.${REGION}"
 if [ ! -f "$CONFIG_FILE" ]; then
     echo "Error: Config file not found: $CONFIG_FILE"
     exit 1