diff --git a/python/paddle/tensor/linalg.py b/python/paddle/tensor/linalg.py
index 7ec68dc8980a1e57059c1ee2f01990250d7dabc8..6b67394b6bd250282e2ea8f13134503ac6cbfc0a 100644
--- a/python/paddle/tensor/linalg.py
+++ b/python/paddle/tensor/linalg.py
@@ -632,7 +632,7 @@ def cross(x, y, axis=None, name=None):
             #  [0. 0. 0.]]
     """
     if in_dygraph_mode():
-        if axis:
+        if axis is not None:
             return core.ops.cross(x, y, 'dim', axis)
         else:
             return core.ops.cross(x, y)