diff --git a/src/ert/_c_wrappers/analysis/analysis_module.py b/src/ert/_c_wrappers/analysis/analysis_module.py
index d8b53dd8dd3..f8c9784a33e 100644
--- a/src/ert/_c_wrappers/analysis/analysis_module.py
+++ b/src/ert/_c_wrappers/analysis/analysis_module.py
@@ -51,14 +51,15 @@ def get_mode_variables(mode: AnalysisMode) -> Dict[str, "VariableInfo"]:
         "LOCALIZATION": {
             "type": bool,
             "value": DEFAULT_LOCALIZATION,
-            "labelname": "Switch for adaptive localization",
+            "labelname": "Adaptive localization",
         },
         "LOCALIZATION_CORRELATION_THRESHOLD": {
             "type": float,
             "min": 0.0,
             "value": DEFAULT_LOCALIZATION_CORRELATION_THRESHOLD,
             "max": 1.0,
-            "labelname": "Threshold defining high correlation",
+            "step": 0.1,
+            "labelname": "Adaptive localization correlation threshold",
         },
     }
     ies_variables: Dict[str, "VariableInfo"] = {
@@ -198,6 +199,11 @@ def set_var(self, var_name: str, value: Union[float, int, bool, str]):
                         f"Variable {var_name} expected type {var['type']}"
                         f" received value `{value}` of type `{type(value)}`"
                     )
+                # When config is first read, `value` is a string that's either "False" or "True",
+                # but since bool("False") is True we need to convert it to bool.
+                if not isinstance(value, bool):
+                    value = value.lower() != "false"
+
                 var["value"] = var["type"](value)
         else:
             raise KeyError(f"Variable {var_name} not found in module")
diff --git a/src/ert/gui/ertwidgets/analysismodulevariablespanel.py b/src/ert/gui/ertwidgets/analysismodulevariablespanel.py
index debecbbad4c..9a1c99bf7ba 100644
--- a/src/ert/gui/ertwidgets/analysismodulevariablespanel.py
+++ b/src/ert/gui/ertwidgets/analysismodulevariablespanel.py
@@ -122,6 +122,17 @@ def __init__(self, analysis_module_name: str, facade: LibresFacade):
             lambda value: self.update_truncation_spinners(value, truncation_spinner)
         )
 
+        localization_checkbox = self.widget_from_layout(layout, "LOCALIZATION")
+        localization_correlation_spinner = self.widget_from_layout(
+            layout, "LOCALIZATION_CORRELATION_THRESHOLD"
+        )
+        localization_correlation_spinner.setEnabled(localization_checkbox.isChecked())
+        localization_checkbox.stateChanged.connect(
+            lambda localization_is_on: localization_correlation_spinner.setEnabled(True)
+            if localization_is_on
+            else localization_correlation_spinner.setEnabled(False)
+        )
+
         self.setLayout(layout)
         self.blockSignals(False)
 
@@ -166,6 +177,7 @@ def createSpinBox(
     def createCheckBox(self, variable_name, variable_value, variable_type):
         spinner = QCheckBox()
         spinner.setChecked(variable_value)
+        spinner.setObjectName(variable_name)
         spinner.clicked.connect(
             partial(self.valueChanged, variable_name, variable_type, spinner)
         )