diff --git a/ansible_mitogen/runner.py b/ansible_mitogen/runner.py
index af3e2bf7..5b58116b 100644
--- a/ansible_mitogen/runner.py
+++ b/ansible_mitogen/runner.py
@@ -386,6 +386,8 @@ class NewStyleRunner(ScriptRunner):
     def _run(self):
         code = self._get_code()
         mod = types.ModuleType('__main__')
+        mod.__file__ = self.program_fp.name
+        mod.__package__ = None
         d = vars(mod)
         e = None
 
diff --git a/tests/ansible/lib/modules/custom_python_new_style_module.py b/tests/ansible/lib/modules/custom_python_new_style_module.py
index 1ae50d50..4bc9794d 100755
--- a/tests/ansible/lib/modules/custom_python_new_style_module.py
+++ b/tests/ansible/lib/modules/custom_python_new_style_module.py
@@ -21,6 +21,11 @@ input_json = sys.stdin.read()
 
 print "{"
 print "  \"changed\": false,"
+# v2.5.1. apt.py started depending on this.
+# https://github.com/dw/mitogen/issues/210
+print "  \"__file__\": \"%s\"," % (__file__,)
+# Python sets this during a regular import.
+print "  \"__package__\": \"%s\"," % (__package__,)
 print "  \"msg\": \"Here is my input\","
 print "  \"source\": [%s]," % (json.dumps(me),)
 print "  \"input\": [%s]" % (input_json,)