diff --git a/src/widgets/editorview.cpp b/src/widgets/editorview.cpp
--- a/src/widgets/editorview.cpp
+++ b/src/widgets/editorview.cpp
@@ -156,6 +156,7 @@
 {
     auto artifact = m_model->property("artifact").value<Domain::Artifact::Ptr>();
     setEnabled(artifact);
+    m_delegateEdit->clear();
 }
 
 void EditorView::onHasTaskPropertiesChanged()
diff --git a/tests/units/widgets/editorviewtest.cpp b/tests/units/widgets/editorviewtest.cpp
--- a/tests/units/widgets/editorviewtest.cpp
+++ b/tests/units/widgets/editorviewtest.cpp
@@ -517,6 +517,24 @@
         QCOMPARE(delegateLabel->text(), expectedText);
     }
 
+    void shouldClearDelegateEditOnArtifactChanges()
+    {
+        // GIVEN
+        Widgets::EditorView editor;
+        EditorModelStub model;
+        model.makeTaskAvailable();
+        editor.setModel(&model);
+
+        auto delegateEdit = editor.findChild<KLineEdit*>("delegateEdit");
+        delegateEdit->setText("Foo");
+
+        // WHEN
+        model.makeTaskAvailable(); // simulates an artifact change
+
+        // THEN
+        QVERIFY(delegateEdit->text().isEmpty());
+    }
+
     void shouldRequestDelegationOnInput_data()
     {
         QTest::addColumn<QString>("userInput");