diff --git a/thunder/dynamo/utils.py b/thunder/dynamo/utils.py
index 3c58bc2ded..ae3b0bd6de 100644
--- a/thunder/dynamo/utils.py
+++ b/thunder/dynamo/utils.py
@@ -533,6 +533,7 @@ def _get_min_and_val(t: torch.Tensor) -> tuple[Number | None, Number | None]:
         or t.device.type == "meta"
         or t.numel() == 0
         or t.dtype.is_complex
+        or (hasattr(torch, "float4_e2m1fn_x2") and t.dtype == torch.float4_e2m1fn_x2)
     ):
         return None, None
     if t.dtype in (torch.float8_e4m3fn, torch.float8_e4m3fnuz, torch.float8_e5m2, torch.float8_e5m2fnuz):