diff --git a/lib/ansible/playbook/play_context.py b/lib/ansible/playbook/play_context.py
index a7c333a552..2ff06857f3 100644
--- a/lib/ansible/playbook/play_context.py
+++ b/lib/ansible/playbook/play_context.py
@@ -513,8 +513,14 @@ class PlayContext(Base):
         '''
 
         for prop, var_list in MAGIC_VARIABLE_MAPPING.items():
-            var_val = getattr(self, prop, None)
-            if var_val is not None:
+            try:
+                if 'become' in prop:
+                    continue
+
+                var_val = getattr(self, prop)
                 for var_opt in var_list:
                     if var_opt not in variables:
                         variables[var_opt] = var_val
+            except AttributeError:
+                continue
+