diff --git a/plugins/DigitalLibrary/resources/qml/SaveProjectFilesPage.qml b/plugins/DigitalLibrary/resources/qml/SaveProjectFilesPage.qml
index a8e672ffa2..0a94a4f48a 100644
--- a/plugins/DigitalLibrary/resources/qml/SaveProjectFilesPage.qml
+++ b/plugins/DigitalLibrary/resources/qml/SaveProjectFilesPage.qml
@@ -66,7 +66,7 @@ Item
         anchors.topMargin: UM.Theme.getSize("thin_margin").height
         validator: RegularExpressionValidator
         {
-//            regularExpression: /^[\w\-\. ()]{0,255}$/
+            regularExpression: /^[\w\-\. ()]{0,255}$/
         }
 
         text: PrintInformation.jobName