diff --git a/python/paddle/fluid/tests/unittests/test_sparse_utils_op.py b/python/paddle/fluid/tests/unittests/test_sparse_utils_op.py
index 53c84c9d1f66ac71a84c08c370dec8a887a9a4dc..2287eca23c17287c23dafbed5ccafb5604ca0cc0 100644
--- a/python/paddle/fluid/tests/unittests/test_sparse_utils_op.py
+++ b/python/paddle/fluid/tests/unittests/test_sparse_utils_op.py
@@ -338,7 +338,7 @@ class TestSparseConvert(unittest.TestCase):
             dense_x = paddle.nn.functional.dropout(dense_x, p=0.5)
             verify(dense_x)
 
-            shape = np.random.randint(low=2, high=10, size=3)
+            shape = np.random.randint(low=3, high=10, size=3)
             shape = list(shape)
             dense_x = paddle.randn(shape)
             #set the 0th batch to zero