diff --git a/BUILD_TIMELORD.md b/BUILD_TIMELORD.md
index ad59e0d0f3..51ba6064a9 100644
--- a/BUILD_TIMELORD.md
+++ b/BUILD_TIMELORD.md
@@ -9,6 +9,7 @@ the virtual environment.
 ```bash
 . ./activate
 
+chmod +x ./install-timelord.sh
 sh install-timelord.sh
 ```