diff --git a/tests/st/ops/test_func_matrix_power.py b/tests/st/ops/test_func_matrix_power.py
index 590e3614e39..7d10716442c 100644
--- a/tests/st/ops/test_func_matrix_power.py
+++ b/tests/st/ops/test_func_matrix_power.py
@@ -44,7 +44,7 @@ def test_matrix_power(mode):
     net_matrix_power = NetMatrixPower()
 
     for arr in arrs:
-        for n in range(-2, 4):
+        for n in range(0, 4):
             expect_out = np.linalg.matrix_power(arr, n)
             out = net_matrix_power(ms.Tensor(arr), n)
             assert np.allclose(out.asnumpy(), expect_out, rtol=1e-4, atol=1e-4)
diff --git a/tests/st/tensor/test_matrix_power.py b/tests/st/tensor/test_matrix_power.py
index 5ae9752cb1c..c2631a61e81 100644
--- a/tests/st/tensor/test_matrix_power.py
+++ b/tests/st/tensor/test_matrix_power.py
@@ -43,7 +43,7 @@ def test_matrix_power(mode):
     net_matrix_power = NetMatrixPower()
 
     for arr in arrs:
-        for n in range(-2, 4):
+        for n in range(0, 4):
             expect_out = np.linalg.matrix_power(arr, n)
             out = net_matrix_power(ms.Tensor(arr), n)
             assert np.allclose(out.asnumpy(), expect_out, rtol=1e-4, atol=1e-4)