diff --git a/gen_junest.sh b/gen_junest.sh
index 1e4d823..c79d7e7 100755
--- a/gen_junest.sh
+++ b/gen_junest.sh
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # make image follow the junest image request
 docker build -t junest .
 
diff --git a/man_junest.sh b/man_junest.sh
index 65e31ce..042693a 100755
--- a/man_junest.sh
+++ b/man_junest.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 
 cd /usr/share/lilac/junest
 git pull