diff --git a/Tools/Carbonix_scripts/param_auto_test.py b/Tools/Carbonix_scripts/param_auto_test.py
index cdf98ded60..8e3124078f 100644
--- a/Tools/Carbonix_scripts/param_auto_test.py
+++ b/Tools/Carbonix_scripts/param_auto_test.py
@@ -173,13 +173,16 @@
                                 )
                                 return_status = 1
                         elif param_type == 'bitmask':
-                            # Check if the parameter value is in the list of values
-                            if param_value not in param_values:
-                                print(
-                                    f"Parameter '{param_name}' has an "
-                                    f"invalid value: {param_value}"
-                                )
-                                return_status = 1
+                            # Check if the all set bits correspond to something
+                            param_value = int(param_value)
+                            for i in range(32):
+                                if (param_value >> i) & 1:
+                                    if i not in param_values:
+                                        print(
+                                            f"Parameter '{param_name}' has an "
+                                            f"invalid bitmask value: {param_value}"
+                                        )
+                                        return_status = 1
                     else:
                         print(
                             f"Parameter '{param_name}' has no "