diff --git a/lib/ansible/modules/extras/system/at.py b/lib/ansible/modules/extras/system/at.py
index 52006e54710..9c5f10b5947 100644
--- a/lib/ansible/modules/extras/system/at.py
+++ b/lib/ansible/modules/extras/system/at.py
@@ -206,4 +206,6 @@ def main():
 
 # import module snippets
 from ansible.module_utils.basic import *
-main()
+
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/capabilities.py b/lib/ansible/modules/extras/system/capabilities.py
index 009507669fb..67cd66b2b0c 100644
--- a/lib/ansible/modules/extras/system/capabilities.py
+++ b/lib/ansible/modules/extras/system/capabilities.py
@@ -189,4 +189,6 @@ def main():
 
 # import module snippets
 from ansible.module_utils.basic import *
-main()
+
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/cronvar.py b/lib/ansible/modules/extras/system/cronvar.py
index a986f159a90..d4e9b909588 100644
--- a/lib/ansible/modules/extras/system/cronvar.py
+++ b/lib/ansible/modules/extras/system/cronvar.py
@@ -437,4 +437,5 @@ def main():
     module.exit_json(msg="Unable to execute cronvar task.")
 
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/crypttab.py b/lib/ansible/modules/extras/system/crypttab.py
index 0565f57f9eb..27523415dfb 100644
--- a/lib/ansible/modules/extras/system/crypttab.py
+++ b/lib/ansible/modules/extras/system/crypttab.py
@@ -370,4 +370,5 @@ class Options(dict):
                 ret.append('%s=%s' % (k, v))
         return ','.join(ret)
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/debconf.py b/lib/ansible/modules/extras/system/debconf.py
index 468f0b5725e..3c9218b408e 100644
--- a/lib/ansible/modules/extras/system/debconf.py
+++ b/lib/ansible/modules/extras/system/debconf.py
@@ -188,4 +188,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/facter.py b/lib/ansible/modules/extras/system/facter.py
index bb8553d0a25..834428cb698 100644
--- a/lib/ansible/modules/extras/system/facter.py
+++ b/lib/ansible/modules/extras/system/facter.py
@@ -55,5 +55,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-main()
-
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/getent.py b/lib/ansible/modules/extras/system/getent.py
index d3cf9eed4a0..8e3103ae790 100644
--- a/lib/ansible/modules/extras/system/getent.py
+++ b/lib/ansible/modules/extras/system/getent.py
@@ -157,5 +157,5 @@ def main():
     module.fail_json(msg=msg)
 
 
-main()
-
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/gluster_volume.py b/lib/ansible/modules/extras/system/gluster_volume.py
index f5bca5f9e83..f34511a3eaf 100644
--- a/lib/ansible/modules/extras/system/gluster_volume.py
+++ b/lib/ansible/modules/extras/system/gluster_volume.py
@@ -522,4 +522,5 @@ def main():
 
     module.exit_json(changed=changed, ansible_facts=facts)
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/kernel_blacklist.py b/lib/ansible/modules/extras/system/kernel_blacklist.py
index 2100b158fda..701ba883517 100644
--- a/lib/ansible/modules/extras/system/kernel_blacklist.py
+++ b/lib/ansible/modules/extras/system/kernel_blacklist.py
@@ -140,4 +140,6 @@ def main():
 
 # import module snippets
 from ansible.module_utils.basic import *
-main()
+
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/known_hosts.py b/lib/ansible/modules/extras/system/known_hosts.py
index 40c13002ddc..656fb38d4a1 100644
--- a/lib/ansible/modules/extras/system/known_hosts.py
+++ b/lib/ansible/modules/extras/system/known_hosts.py
@@ -305,4 +305,5 @@ def main():
     results = enforce_state(module,module.params)
     module.exit_json(**results)
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/locale_gen.py b/lib/ansible/modules/extras/system/locale_gen.py
index db3e41a8cbd..6736a952f4b 100644
--- a/lib/ansible/modules/extras/system/locale_gen.py
+++ b/lib/ansible/modules/extras/system/locale_gen.py
@@ -237,4 +237,5 @@ def main():
         module.exit_json(name=name, changed=changed, msg="OK")
 
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/lvg.py b/lib/ansible/modules/extras/system/lvg.py
index d0b0409a634..427cb1b1c1d 100644
--- a/lib/ansible/modules/extras/system/lvg.py
+++ b/lib/ansible/modules/extras/system/lvg.py
@@ -260,4 +260,6 @@ def main():
 
 # import module snippets
 from ansible.module_utils.basic import *
-main()
+
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/modprobe.py b/lib/ansible/modules/extras/system/modprobe.py
index 1acd2ef3ed3..ef5a9dd4ed8 100644
--- a/lib/ansible/modules/extras/system/modprobe.py
+++ b/lib/ansible/modules/extras/system/modprobe.py
@@ -127,4 +127,5 @@ def main():
 
     module.exit_json(**args)
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/ohai.py b/lib/ansible/modules/extras/system/ohai.py
index 8ecf725006f..0fe76098474 100644
--- a/lib/ansible/modules/extras/system/ohai.py
+++ b/lib/ansible/modules/extras/system/ohai.py
@@ -51,4 +51,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/open_iscsi.py b/lib/ansible/modules/extras/system/open_iscsi.py
index 77586289e77..71eeda1aa8c 100644
--- a/lib/ansible/modules/extras/system/open_iscsi.py
+++ b/lib/ansible/modules/extras/system/open_iscsi.py
@@ -381,5 +381,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-main()
-
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/osx_defaults.py b/lib/ansible/modules/extras/system/osx_defaults.py
index 71e4ee6289b..f199250a5ce 100644
--- a/lib/ansible/modules/extras/system/osx_defaults.py
+++ b/lib/ansible/modules/extras/system/osx_defaults.py
@@ -412,4 +412,5 @@ def main():
 
 # /main ------------------------------------------------------------------- }}}
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/pam_limits.py b/lib/ansible/modules/extras/system/pam_limits.py
index 55ae4d52a71..1993310af5d 100644
--- a/lib/ansible/modules/extras/system/pam_limits.py
+++ b/lib/ansible/modules/extras/system/pam_limits.py
@@ -263,4 +263,6 @@ def main():
 
 # import module snippets
 from ansible.module_utils.basic import *
-main()
+
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/puppet.py b/lib/ansible/modules/extras/system/puppet.py
index 411552d86b8..6686682cae1 100644
--- a/lib/ansible/modules/extras/system/puppet.py
+++ b/lib/ansible/modules/extras/system/puppet.py
@@ -284,4 +284,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/selinux_permissive.py b/lib/ansible/modules/extras/system/selinux_permissive.py
index e97e168290b..5a357493a0e 100644
--- a/lib/ansible/modules/extras/system/selinux_permissive.py
+++ b/lib/ansible/modules/extras/system/selinux_permissive.py
@@ -131,5 +131,5 @@ def main():
                      permissive=permissive, domain=domain)
 
 
-
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/seport.py b/lib/ansible/modules/extras/system/seport.py
index 09ff7dcc0e7..0bd3a889727 100644
--- a/lib/ansible/modules/extras/system/seport.py
+++ b/lib/ansible/modules/extras/system/seport.py
@@ -316,4 +316,5 @@ def main():
     module.exit_json(**result)
 
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/solaris_zone.py b/lib/ansible/modules/extras/system/solaris_zone.py
index 62d1bf4338d..aa4895fa22b 100644
--- a/lib/ansible/modules/extras/system/solaris_zone.py
+++ b/lib/ansible/modules/extras/system/solaris_zone.py
@@ -480,4 +480,6 @@ def main():
     module.exit_json(changed=zone.changed, msg=', '.join(zone.msg))
 
 from ansible.module_utils.basic import *
-main()
+
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/svc.py b/lib/ansible/modules/extras/system/svc.py
index 376062b4be5..43eea5b0f7b 100755
--- a/lib/ansible/modules/extras/system/svc.py
+++ b/lib/ansible/modules/extras/system/svc.py
@@ -312,4 +312,5 @@ def main():
 
 
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/ufw.py b/lib/ansible/modules/extras/system/ufw.py
index 67eaba131c7..c0f48fca667 100644
--- a/lib/ansible/modules/extras/system/ufw.py
+++ b/lib/ansible/modules/extras/system/ufw.py
@@ -329,4 +329,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/lib/ansible/modules/extras/system/zfs.py b/lib/ansible/modules/extras/system/zfs.py
index 47ce13edce8..7dda883b893 100644
--- a/lib/ansible/modules/extras/system/zfs.py
+++ b/lib/ansible/modules/extras/system/zfs.py
@@ -272,4 +272,6 @@ def main():
 
 # import module snippets
 from ansible.module_utils.basic import *
-main()
+
+if __name__ == '__main__':
+    main()