diff --git a/python/paddle/fluid/framework.py b/python/paddle/fluid/framework.py
index 3d8cd1142cf3a5fb1b91c91cc654806ca39acea6..a26e322cbd9b70aeba6c4f7a455495a75f17c9af 100644
--- a/python/paddle/fluid/framework.py
+++ b/python/paddle/fluid/framework.py
@@ -90,6 +90,8 @@ def _test_eager_guard(tracer=None):
     if not _already_patch_eager_tensor:
         from .dygraph.varbase_patch_methods import monkey_patch_varbase
         monkey_patch_varbase()
+        from .dygraph import monkey_patch_math_varbase
+        monkey_patch_math_varbase()
         _already_patch_eager_tensor = True
     if tracer is None:
         core._set_eager_tracer(_dygraph_tracer_)