diff --git a/python/plugins/processing/modeler/ModelerParametersDialog.py b/python/plugins/processing/modeler/ModelerParametersDialog.py
index 1f72cdfe419..b28b6be8d42 100644
--- a/python/plugins/processing/modeler/ModelerParametersDialog.py
+++ b/python/plugins/processing/modeler/ModelerParametersDialog.py
@@ -351,7 +351,9 @@ class ModelerParametersDialog(QDialog):
                 continue
             try:
                 wrapper = self.wrappers[param.name()]
-                if issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
+                if issubclass(wrapper.__class__, WidgetWrapper):
+                    val = wrapper.value()
+                elif issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
                     val = wrapper.value()
                 else:
                     val = wrapper.parameterValue()