diff --git a/INSTALL.sh b/INSTALL.sh
index c4fdcff3e..9a5f742c6 100755
--- a/INSTALL.sh
+++ b/INSTALL.sh
@@ -17,6 +17,9 @@
 # under the License.
 #
 
+#!/bin/bash
+
+
 sudo apt update
 sudo apt install apt-transport-https curl gnupg -y
 sudo apt-get install protobuf-compiler -y