diff --git a/source/RobotAPI/libraries/skills_gui/skill_details/SkillDetailsTreeWidget.cpp b/source/RobotAPI/libraries/skills_gui/skill_details/SkillDetailsTreeWidget.cpp
index 57b150a1866b55037145e9b5cd7bb18d39ebc3e6..4cf1ffffa87376456f17ac2d022bfd03484ac116 100644
--- a/source/RobotAPI/libraries/skills_gui/skill_details/SkillDetailsTreeWidget.cpp
+++ b/source/RobotAPI/libraries/skills_gui/skill_details/SkillDetailsTreeWidget.cpp
@@ -34,6 +34,21 @@ namespace armarx::skills::gui
         // dont touch the widget if the skill id didn't change
         if (shownSkill.has_value() && skillId == shownSkill.value().skillId)
             return;
+
+        // check the parameters: did they change?
+        if (shownSkill.has_value())
+        {
+            auto remDesc = shownSkill.value().skillDescr;
+            if (descr.rootProfileDefaults != remDesc.rootProfileDefaults)
+            {
+                // TODO: ask the user if they want to reset to defaults
+                // for now, we just overwrite without asking... (and do nothing)
+            }
+            // other cases: if the parameter types change, we *have* to reset; else the skill
+            // (probably) can't be started with the parameters.
+            // same goes for the result type.
+        }
+
         this->resetWidget();
 
         auto aron_args = descr.parametersType;
diff --git a/source/RobotAPI/libraries/skills_gui/skill_details/SkillDetailsTreeWidget.h b/source/RobotAPI/libraries/skills_gui/skill_details/SkillDetailsTreeWidget.h
index 277be11e97b2085e63f089e27cf6eb4922d2ed63..d10855dbc49f64be0533382043fbdf57d5f9b6d1 100644
--- a/source/RobotAPI/libraries/skills_gui/skill_details/SkillDetailsTreeWidget.h
+++ b/source/RobotAPI/libraries/skills_gui/skill_details/SkillDetailsTreeWidget.h
@@ -39,8 +39,6 @@ namespace armarx::skills::gui
 
         std::optional<ShownSkill> shownSkill;
 
-        // check for update
-        skills::SkillDescription shownDescription;
         AronTreeWidgetControllerPtr aronTreeWidgetController = nullptr;
         void setupUi();
     };