diff --git a/resources/qml/Preferences/Materials/MaterialsPage.qml b/resources/qml/Preferences/Materials/MaterialsPage.qml
index eb1be25c7d..8d6dfdfb3a 100644
--- a/resources/qml/Preferences/Materials/MaterialsPage.qml
+++ b/resources/qml/Preferences/Materials/MaterialsPage.qml
@@ -387,7 +387,7 @@ Item
         id: exportAllMaterialsDialog
         title: catalog.i18nc("@title:window", "Export All Materials")
         selectExisting: false
-        nameFilters: ["Material archives (*.zip)", "All files (*)"]
+        nameFilters: ["Material archives (*.umm)", "All files (*)"]
         folder: base.materialManagementModel.preferredExportAllPath
         onAccepted:
         {