diff --git a/src/plugins/qmldesigner/designercore/include/nodelistproperty.h b/src/plugins/qmldesigner/designercore/include/nodelistproperty.h
index fa46635b97e..8bc8590cc33 100644
--- a/src/plugins/qmldesigner/designercore/include/nodelistproperty.h
+++ b/src/plugins/qmldesigner/designercore/include/nodelistproperty.h
@@ -46,13 +46,13 @@ class NodeListPropertyIterator
 
 public:
     using iterator_category = std::random_access_iterator_tag;
-    using difference_type = int;
+    using difference_type = qsizetype;
     using value_type = ModelNode;
     using pointer = InternalNodeListPropertyPointer;
     using reference = ModelNode;
 
     NodeListPropertyIterator() = default;
-    NodeListPropertyIterator(int currentIndex,
+    NodeListPropertyIterator(difference_type currentIndex,
                              class InternalNodeListProperty *nodeListProperty,
                              Model *model,
                              AbstractView *view)
@@ -68,7 +68,7 @@ public:
         return *this;
     }
 
-    NodeListPropertyIterator operator++(difference_type)
+    NodeListPropertyIterator operator++(int)
     {
         auto tmp = *this;
         ++m_currentIndex;
@@ -81,7 +81,7 @@ public:
         return *this;
     }
 
-    NodeListPropertyIterator operator--(difference_type)
+    NodeListPropertyIterator operator--(int)
     {
         auto tmp = *this;
         --m_currentIndex;
@@ -168,7 +168,7 @@ private:
     InternalNodeListProperty *m_nodeListProperty{};
     Model *m_model{};
     AbstractView *m_view{};
-    int m_currentIndex = -1;
+    difference_type m_currentIndex = -1;
 };
 
 } // namespace Internal
diff --git a/src/plugins/qmldesigner/designercore/model/nodelistproperty.cpp b/src/plugins/qmldesigner/designercore/model/nodelistproperty.cpp
index 5f475cfd397..512f37722a9 100644
--- a/src/plugins/qmldesigner/designercore/model/nodelistproperty.cpp
+++ b/src/plugins/qmldesigner/designercore/model/nodelistproperty.cpp
@@ -177,7 +177,7 @@ NodeListProperty::iterator NodeListProperty::rotate(NodeListProperty::iterator f
 
     privateModel()->notifyNodeOrderChanged(m_internalNodeListProperty);
 
-    return {int(iter - begin), internalNodeListProperty().data(), model(), view()};
+    return {iter - begin, internalNodeListProperty().data(), model(), view()};
 }
 
 void NodeListProperty::reverse(NodeListProperty::iterator first, NodeListProperty::iterator last)