diff --git a/tests/test_codebase/test_mmdet/test_mmdet_models.py b/tests/test_codebase/test_mmdet/test_mmdet_models.py
index f299e18641..706cc05be6 100644
--- a/tests/test_codebase/test_mmdet/test_mmdet_models.py
+++ b/tests/test_codebase/test_mmdet/test_mmdet_models.py
@@ -126,6 +126,7 @@ def get_l2norm_forward_model():
     """L2Norm Neck Config."""
     from mmdet.models.necks.ssd_neck import L2Norm
     model = L2Norm(16)
+    torch.nn.init.uniform_(model.weight)
 
     model.requires_grad_(False)
     return model