diff --git a/python/swiftest/swiftest/simulation_class.py b/python/swiftest/swiftest/simulation_class.py
index 113bab9a9..e4dae6068 100644
--- a/python/swiftest/swiftest/simulation_class.py
+++ b/python/swiftest/swiftest/simulation_class.py
@@ -727,6 +727,11 @@ def set_parameter(self, verbose: bool = True, **kwargs):
         if len(kwargs) == 0:
             kwargs = default_arguments
 
+        unrecognized = [k for k,v in kwargs.items() if k not in default_arguments]
+        if len(unrecognized) > 0:
+            for k in unrecognized:
+                warnings.warn(f'Unrecognized argument "{k}"',stacklevel=2)
+
         # Add the verbose flag to the kwargs for passing down to the individual setters
         kwargs["verbose"] = verbose