diff --git a/python/paddle/fluid/tests/unittests/op_test.py b/python/paddle/fluid/tests/unittests/op_test.py
index 4c6ca647caf6ea3fba8a7c0d0b06ded411ca4565..288e5f42d52c128c9580931837601f1d1b7f2475 100644
--- a/python/paddle/fluid/tests/unittests/op_test.py
+++ b/python/paddle/fluid/tests/unittests/op_test.py
@@ -1856,7 +1856,7 @@ class OpTest(unittest.TestCase):
                         ref_eager_dygraph_outs = (
                             self.op_test._calc_python_api_output(place)
                         )
-                        if eager_dygraph_outs is None:
+                        if ref_eager_dygraph_outs is None:
                             self.is_python_api_test = False
                             ref_eager_dygraph_outs = (
                                 self.op_test._calc_dygraph_output(