diff --git a/test/legacy_test/test_group_norm_op.py b/test/legacy_test/test_group_norm_op.py
index bc9a4b0432a86a2d74f5ecbd92e15e622c862b2a..543d98943c4a0839a17b78f88a96177fffb2c2b4 100644
--- a/test/legacy_test/test_group_norm_op.py
+++ b/test/legacy_test/test_group_norm_op.py
@@ -352,6 +352,7 @@ class TestGroupNormOp2_With_NHWC(TestGroupNormOp):
 
 class TestGroupNormFP16Op_With_NHWC(TestGroupNormFP16OP):
     def init_test_case(self):
+        self.no_need_check_inplace = True
         self.attrs['groups'] = 1
         self.data_format = "NHWC"
         self.attrs['epsilon'] = 0.5