diff --git a/TestTestNet/bootnode/install.sh b/TestTestNet/bootnode/install.sh
index f8d54c4..ebed342 100644
--- a/TestTestNet/bootnode/install.sh
+++ b/TestTestNet/bootnode/install.sh
@@ -3,7 +3,8 @@ set -e
 set -u
 set -x
 
-TEMPLATES_BRANCH="dev-mainnet"
+# this should be provided through env by azure template
+TEMPLATES_BRANCH="${TEMPLATES_BRANCH}"
 
 echo "========== ${TEMPLATES_BRANCH}/bootnode/install.sh starting =========="
 echo "===== current time: $(date)"