diff --git a/build-glob.sh b/build-glob.sh
index 85b3b07..879ed27 100755
--- a/build-glob.sh
+++ b/build-glob.sh
@@ -24,7 +24,7 @@ DESK_PATH="${PIER_PATH}/${DESK_NAME}"
 
 # 1. Build the React app
 echo "==> Building React app..."
-yarn build
+yarn && yarn build
 
 # 2. Lowercase all filenames in build/ (Urbit requires lowercase)
 echo "==> Lowercasing filenames in build/..."