diff --git a/resources/qml/Preferences/Materials/MaterialsPage.qml b/resources/qml/Preferences/Materials/MaterialsPage.qml
index dbcef6c573..2e4ded685d 100644
--- a/resources/qml/Preferences/Materials/MaterialsPage.qml
+++ b/resources/qml/Preferences/Materials/MaterialsPage.qml
@@ -335,16 +335,19 @@ Item
         folder: CuraApplication.getDefaultPath("dialog_material_path")
         onAccepted:
         {
-            var result = Cura.ContainerManager.importMaterialContainer(fileUrl);
+            const result = Cura.ContainerManager.importMaterialContainer(fileUrl);
 
+            const messageDialog = Qt.createQmlObject("import UM 1.5 as UM; UM.MessageDialog { onClosed: destroy() }", base);
+            messageDialog.standardButtons = Dialog.Ok;
             messageDialog.title = catalog.i18nc("@title:window", "Import Material");
-            if(result.status == "success")
+            switch (result.status)
             {
-                messageDialog.text = catalog.i18nc("@info:status Don't translate the XML tag <filename>!", "Successfully imported material <filename>%1</filename>").arg(fileUrl);
-            }
-            else
-            {
-                messageDialog.text = catalog.i18nc("@info:status Don't translate the XML tags <filename> or <message>!", "Could not import material <filename>%1</filename>: <message>%2</message>").arg(fileUrl).arg(result.message);
+                case "success":
+                    messageDialog.text = catalog.i18nc("@info:status Don't translate the XML tag <filename>!", "Successfully imported material <filename>%1</filename>").arg(fileUrl);
+                    break;
+                default:
+                    messageDialog.text = catalog.i18nc("@info:status Don't translate the XML tags <filename> or <message>!", "Could not import material <filename>%1</filename>: <message>%2</message>").arg(fileUrl).arg(result.message);
+                    break;
             }
             messageDialog.open();
             CuraApplication.setDefaultPath("dialog_material_path", folder);
@@ -360,25 +363,23 @@ Item
         folder: CuraApplication.getDefaultPath("dialog_material_path")
         onAccepted:
         {
-            var result = Cura.ContainerManager.exportContainer(base.currentItem.root_material_id, selectedNameFilter, fileUrl);
+            const result = Cura.ContainerManager.exportContainer(base.currentItem.root_material_id, selectedNameFilter, fileUrl);
 
+            const messageDialog = Qt.createQmlObject("import UM 1.5 as UM; UM.MessageDialog { onClosed: destroy() }", base);
             messageDialog.title = catalog.i18nc("@title:window", "Export Material");
-            if(result.status == "error")
+            messageDialog.standardButtons = Dialog.Ok;
+            switch (result.status)
             {
-                messageDialog.text = catalog.i18nc("@info:status Don't translate the XML tags <filename> and <message>!", "Failed to export material to <filename>%1</filename>: <message>%2</message>").arg(fileUrl).arg(result.message);
-                messageDialog.open();
-            }
-            else if(result.status == "success")
-            {
-                messageDialog.text = catalog.i18nc("@info:status Don't translate the XML tag <filename>!", "Successfully exported material to <filename>%1</filename>").arg(result.path);
-                messageDialog.open();
+                case "error":
+                    messageDialog.text = catalog.i18nc("@info:status Don't translate the XML tags <filename> and <message>!", "Failed to export material to <filename>%1</filename>: <message>%2</message>").arg(fileUrl).arg(result.message);
+                    break;
+                case "success":
+                    messageDialog.text = catalog.i18nc("@info:status Don't translate the XML tag <filename>!", "Successfully exported material to <filename>%1</filename>").arg(result.path);
+                    break;
             }
+            messageDialog.open();
+
             CuraApplication.setDefaultPath("dialog_material_path", folder);
         }
     }
-
-    UM.MessageDialog
-    {
-        id: messageDialog
-    }
 }