diff --git a/docker/scripts/nodejs-install.sh b/docker/scripts/nodejs-install.sh
index 17370c2d..726d01a2 100644
--- a/docker/scripts/nodejs-install.sh
+++ b/docker/scripts/nodejs-install.sh
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 export NVM_DIR="$HOME/.nvm"
 [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"