diff --git a/lib.sh.in b/lib.sh.in
index 845f694..c61ec4a 100644
--- a/lib.sh.in
+++ b/lib.sh.in
@@ -1,3 +1,5 @@
+#!/bin/sh
+
 info_msg() {
     # This function handles the printing that is bold within all
     # scripts.  This is a convenience function so that the rather ugly