diff --git a/share/qtcreator/qmldesigner/materialBrowserQmlSource/TextureItem.qml b/share/qtcreator/qmldesigner/materialBrowserQmlSource/TextureItem.qml
index 5ed132461b3..58a8f7418a9 100644
--- a/share/qtcreator/qmldesigner/materialBrowserQmlSource/TextureItem.qml
+++ b/share/qtcreator/qmldesigner/materialBrowserQmlSource/TextureItem.qml
@@ -82,6 +82,8 @@ Item {
             width: img.width
             anchors.horizontalCenter: parent.horizontalCenter
 
+            validator: RegularExpressionValidator { regularExpression: /(^$|^[a-z_]\w*$)/ }
+
             onRenamed: (newId) => {
                 MaterialBrowserBackend.materialBrowserTexturesModel.setTextureId(index, newId);
                 mouseArea.forceActiveFocus()
diff --git a/src/plugins/qmldesigner/components/materialbrowser/materialbrowsertexturesmodel.cpp b/src/plugins/qmldesigner/components/materialbrowser/materialbrowsertexturesmodel.cpp
index 918956a04c0..9137e14b14f 100644
--- a/src/plugins/qmldesigner/components/materialbrowser/materialbrowsertexturesmodel.cpp
+++ b/src/plugins/qmldesigner/components/materialbrowser/materialbrowsertexturesmodel.cpp
@@ -206,6 +206,13 @@ void MaterialBrowserTexturesModel::updateTextureSource(const ModelNode &texture)
         emit dataChanged(index(idx, 0), index(idx, 0), {RoleTexSource, RoleTexToolTip});
 }
 
+void MaterialBrowserTexturesModel::updateTextureId(const ModelNode &texture)
+{
+    int idx = textureIndex(texture);
+    if (idx != -1)
+        emit dataChanged(index(idx, 0), index(idx, 0), {RoleTexId, RoleTexSource, RoleTexToolTip});
+}
+
 void MaterialBrowserTexturesModel::updateAllTexturesSources()
 {
     emit dataChanged(index(0, 0), index(rowCount() - 1, 0), {RoleTexSource, RoleTexToolTip});
@@ -314,8 +321,13 @@ void MaterialBrowserTexturesModel::setTextureId(int idx, const QString &newId)
         return;
 
     if (node.id() != newId) {
-        node.setIdWithRefactoring(newId);
-        emit dataChanged(index(idx, 0), index(idx, 0), {RoleTexId});
+        QString nodeId;
+        if (!newId.isEmpty()) {
+            const auto model = m_view->model();
+            QTC_ASSERT(model, return);
+            nodeId = model->generateNewId(newId);
+        }
+        node.setIdWithRefactoring(nodeId);
     }
 }
 
diff --git a/src/plugins/qmldesigner/components/materialbrowser/materialbrowsertexturesmodel.h b/src/plugins/qmldesigner/components/materialbrowser/materialbrowsertexturesmodel.h
index 8836d3b5db8..728a20f64af 100644
--- a/src/plugins/qmldesigner/components/materialbrowser/materialbrowsertexturesmodel.h
+++ b/src/plugins/qmldesigner/components/materialbrowser/materialbrowsertexturesmodel.h
@@ -38,6 +38,7 @@ public:
     void deleteSelectedTexture();
     void updateSelectedTexture();
     void updateTextureSource(const ModelNode &texture);
+    void updateTextureId(const ModelNode &texture);
     void updateAllTexturesSources();
     int textureIndex(const ModelNode &texture) const;
     ModelNode textureAt(int idx) const;
diff --git a/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp b/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp
index 55170f616b2..516e1f777a2 100644
--- a/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp
+++ b/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp
@@ -373,7 +373,7 @@ void MaterialBrowserView::nodeIdChanged(const ModelNode &node, [[maybe_unused]]
                                                                [[maybe_unused]] const QString &oldId)
 {
     if (isTexture(node))
-        m_widget->materialBrowserTexturesModel()->updateTextureSource(node);
+        m_widget->materialBrowserTexturesModel()->updateTextureId(node);
 }
 
 void MaterialBrowserView::variantPropertiesChanged(const QList<VariantProperty> &propertyList,