diff --git a/src/nqrduck_measurement/controller.py b/src/nqrduck_measurement/controller.py
index 1c61f93..16b2c3c 100644
--- a/src/nqrduck_measurement/controller.py
+++ b/src/nqrduck_measurement/controller.py
@@ -215,8 +215,11 @@ class MeasurementController(ModuleController):
         dialog = Apodization(measurement, parent=self.module.view)
         result = dialog.exec()
 
-        if result:
-            function = dialog.get_function()
+        logger.debug("Dialog result: %s", result)
+        if not result:
+            return
+
+        function = dialog.get_function()
 
         logger.debug("Apodization function: %s", function)
 
diff --git a/src/nqrduck_measurement/signalprocessing_options.py b/src/nqrduck_measurement/signalprocessing_options.py
index 25efa2b..be25fc0 100644
--- a/src/nqrduck_measurement/signalprocessing_options.py
+++ b/src/nqrduck_measurement/signalprocessing_options.py
@@ -45,7 +45,7 @@ class Apodization(DuckFormBuilder):
         self.duration = (self.measurement.tdx[-1] - self.measurement.tdx[0]) * 1e-6
 
         function_selection_field = DuckFormFunctionSelectionField(
-            False, False, functions, self.duration, parent=parent, default_function=0
+            text=None, tooltip=None, functions=functions, duration=self.duration, parent=parent, default_function=0
         )
 
         self.add_field(function_selection_field)