diff --git a/src/ert/config/queue_config.py b/src/ert/config/queue_config.py
index abdb542b7f7..f627c98da5d 100644
--- a/src/ert/config/queue_config.py
+++ b/src/ert/config/queue_config.py
@@ -195,12 +195,12 @@ def generate_dict(option_list: List[Tuple[str, str]]) -> Dict[str, List[str]]:
 
 
 def _validate_queue_driver_settings(
-    queue_system_options: List[Tuple[ContextString, ContextString]], queue_type: str
+    queue_system_options: List[Tuple[str, str]], queue_type: str
 ) -> None:
     for option_strings in queue_system_options:
         option_name = option_strings[0]
-        # this might come as a number already
-        option_value = str(option_strings[1])
+        option_value = option_strings[1]
+
         if option_value == "":  # This is equivalent to the option not being set
             continue
         if (
diff --git a/tests/unit_tests/config/config_dict_generator.py b/tests/unit_tests/config/config_dict_generator.py
index 40d07890fc3..babda988fd7 100644
--- a/tests/unit_tests/config/config_dict_generator.py
+++ b/tests/unit_tests/config/config_dict_generator.py
@@ -106,13 +106,13 @@ def valid_queue_values(option_name, queue_system):
     if option_name in queue_string_options[queue_system]:
         return words
     elif option_name in queue_positive_number_options[queue_system]:
-        return small_floats
+        return small_floats.map(str)
     elif option_name in queue_positive_int_options[queue_system]:
-        return positives
+        return positives.map(str)
     elif option_name in queue_bool_options[queue_system]:
-        return booleans
+        return booleans.map(str)
     elif option_name in queue_memory_options[queue_system]:
-        return st.builds(str, memory_with_unit())
+        return memory_with_unit()
     else:
         raise ValueError(
             "config_dict_generator does not know how to "
diff --git a/tests/unit_tests/config/test_parser_error_collection.py b/tests/unit_tests/config/test_parser_error_collection.py
index dc8e76c3189..57067e29b21 100644
--- a/tests/unit_tests/config/test_parser_error_collection.py
+++ b/tests/unit_tests/config/test_parser_error_collection.py
@@ -675,7 +675,7 @@ def test_queue_option_max_running_negative():
             line=4,
             column=32,
             end_column=34,
-            match="is not a valid positive integer",
+            match="'-1' for MAX_RUNNING is not a valid positive integer.",
         ),
     )