diff --git a/torchbenchmark/models/detectron2_maskrcnn/__init__.py b/torchbenchmark/models/detectron2_maskrcnn/__init__.py
index 2d5753e32..3a42d5797 100644
--- a/torchbenchmark/models/detectron2_maskrcnn/__init__.py
+++ b/torchbenchmark/models/detectron2_maskrcnn/__init__.py
@@ -58,6 +58,7 @@ class Model(BenchmarkModel):
     model_file = os.path.join(MODEL_DIR, ".data", f"{MODEL_NAME}.pkl")
     DEFAULT_TRAIN_BSIZE = 1
     DEFAULT_EVAL_BSIZE = 1
+    DISABLE_DETERMINISM = True
 
     def __init__(self, test, device, batch_size=None, extra_args=[]):
         super().__init__(