diff --git a/lib/ansible/module_utils/ios.py b/lib/ansible/module_utils/ios.py
index 550a2de6d53..f6d6037f808 100644
--- a/lib/ansible/module_utils/ios.py
+++ b/lib/ansible/module_utils/ios.py
@@ -102,7 +102,7 @@ class IosModule(AnsibleModule):
 
     def get_config(self):
         cmd = 'show running-config'
-        if self.params['include_defaults']:
+        if self.params.get('include_defaults'):
             cmd += ' all'
         return self.execute(cmd)[0]