diff --git a/share/qtcreator/qmldesigner/itemLibraryQmlSources/ItemDelegate.qml b/share/qtcreator/qmldesigner/itemLibraryQmlSources/ItemDelegate.qml
index 3f59deb8061..88774a1b434 100644
--- a/share/qtcreator/qmldesigner/itemLibraryQmlSources/ItemDelegate.qml
+++ b/share/qtcreator/qmldesigner/itemLibraryQmlSources/ItemDelegate.qml
@@ -81,7 +81,7 @@ Item {
             anchors.fill: parent
 
             onShowContextMenu: delegateRoot.showContextMenu()
-            onPressed: {
+            onPressed: (mouse)=> {
                 if (mouse.button === Qt.LeftButton)
                     rootView.startDragAndDrop(itemLibraryEntry, mapToGlobal(mouse.x, mouse.y))
             }
diff --git a/share/qtcreator/qmldesigner/itemLibraryQmlSources/LibraryHeader.qml b/share/qtcreator/qmldesigner/itemLibraryQmlSources/LibraryHeader.qml
index 52570b230c0..8eaa7bbcc75 100644
--- a/share/qtcreator/qmldesigner/itemLibraryQmlSources/LibraryHeader.qml
+++ b/share/qtcreator/qmldesigner/itemLibraryQmlSources/LibraryHeader.qml
@@ -111,8 +111,8 @@ Item {
                                 id: mouseArea
                                 anchors.fill: parent
                                 hoverEnabled: true
-                                onClicked: index == 0 ? rootView.handleAddModule()
-                                                      : rootView.handleAddAsset()
+                                onClicked: index === 0 ? rootView.handleAddModule()
+                                                       : rootView.handleAddAsset()
                                 tooltip: modelData.addToolTip
                             }
                         }