diff --git a/library/puppet b/library/puppet
index 852a6f9..edc3516 100644
--- a/library/puppet
+++ b/library/puppet
@@ -236,4 +236,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/library/puppet_get_hiera_file_list b/library/puppet_get_hiera_file_list
index 176d676..da03e2b 100644
--- a/library/puppet_get_hiera_file_list
+++ b/library/puppet_get_hiera_file_list
@@ -64,4 +64,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-main()
+if __name__ == '__main__':
+    main()
diff --git a/library/puppet_post_puppetdb b/library/puppet_post_puppetdb
index 77569f2..8e7c102 100644
--- a/library/puppet_post_puppetdb
+++ b/library/puppet_post_puppetdb
@@ -146,4 +146,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-main()
+if __name__ == '__main__':
+    main()