diff --git a/dockerbuild.sh b/dockerbuild.sh
index acf77e9d..c9475564 100755
--- a/dockerbuild.sh
+++ b/dockerbuild.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 function cleanup {
     echo "Removing previous build artifacts"
     rm -rf build/ Firmware/autogen Firmware/build Firmware/.tup