diff --git a/installsystems/image.py b/installsystems/image.py
index b3bbdf651c89c14fa3f52cd12ff189bf46aed334..580cc3c7a0db5698c8968c2a4a77f6ec2040c101 100644
--- a/installsystems/image.py
+++ b/installsystems/image.py
@@ -223,8 +223,14 @@ class Image(object):
             # we need installsystems.printer to conserve arrow level
             sysmodules["installsystems.printer"] = installsystems.printer
             exec bytecode in global_dict
+        except SystemExit as e:
+            # skip a script which call exit(0) or exit()
+            if e.code is None or e.code == 0:
+                return
+            else:
+                raise ISError(u"Script %s exits with status" % path, e)
         except Exception as e:
-            raise ISError(u"Unable to execute script %s" % path, e)
+            raise ISError(u"Fail to execute script %s" % path, e)
         finally:
             sysmodules.clear()
             sysmodules.update(sysmodules_backup)
diff --git a/installsystems/template.py b/installsystems/template.py
index b9a3fe7411c812e28039b862b7c97212c4e1d4f3..77bf6fd9a2a1483be2e404e8f494f8726d7ab868 100644
--- a/installsystems/template.py
+++ b/installsystems/template.py
@@ -49,6 +49,8 @@ parser = """# -*- python -*-
 # global image object is a reference to current image
 # global parser object is your installsystems subparser (argparse)
 
+# you can use exit() to break the execution of the script
+
 import os
 import argparse
 from installsystems.printer import arrow
@@ -72,6 +74,8 @@ setup = u"""# -*- python -*-
 # global image object is a reference to current image
 # namespace object is the persistant, it can be used to store data accross scripts
 
+# you can use exit() to break the execution of the script
+
 from installsystems.printer import arrow
 
 arrow(u"hostname: %s" % namespace.hostname)