diff --git a/run.sh b/run.sh
index cffeb43..b2cb9b4 100644
--- a/run.sh
+++ b/run.sh
@@ -1,3 +1,8 @@
 #!/usr/bin/env bash
+set -e
 
+echo "[1/2] Running pre-build..."
+npm run pre-build
+
+echo "[2/2] Starting Microsoft Rewards Script..."
 nix develop --command bash -c "xvfb-run npm run start"