diff --git a/userbenchmark/torch_trt/run.py b/userbenchmark/torch_trt/run.py
index b2f087d773..651b30b48c 100644
--- a/userbenchmark/torch_trt/run.py
+++ b/userbenchmark/torch_trt/run.py
@@ -195,7 +195,10 @@ def run(args: List[str]):
         ir_idx = unknown_args.index("--ir")
         selected_ir = unknown_args[ir_idx + 1]
     except (ValueError, IndexError):
+        # If no IR was specified, default to torch.compile 
         selected_ir = "torch_compile"
+        unknown_args.append("--ir")
+        unknown_args.append(selected_ir)
 
     # Parse model string if specified, otherwise run all models
     # Adapted from benchmark/run.py