diff --git a/lib/gen_robot_plug_in.py b/lib/gen_robot_plug_in.py
index ec79d6b..1dc8983 100755
--- a/lib/gen_robot_plug_in.py
+++ b/lib/gen_robot_plug_in.py
@@ -177,7 +177,8 @@
             grp.rprint_timen("Processing " + call_point +
                              " call point programs.")
 
-    proc_plug_pkg_rc = subprocess.call(cmd_buf, shell=True)
+    proc_plug_pkg_rc = subprocess.call(cmd_buf, shell=True,
+                                       executable='/bin/bash')
 
     # As process_plug_in_packages.py help text states, it will print the
     # values of failed_plug_in_name and shell_rc in the following format: