diff --git a/plugins/UM3NetworkPrinting/resources/qml/ConfigurationChangeBlock.qml b/plugins/UM3NetworkPrinting/resources/qml/ConfigurationChangeBlock.qml
index 63815b58bf..3d55ee40e2 100644
--- a/plugins/UM3NetworkPrinting/resources/qml/ConfigurationChangeBlock.qml
+++ b/plugins/UM3NetworkPrinting/resources/qml/ConfigurationChangeBlock.qml
@@ -185,7 +185,7 @@ Item {
                     }
                     text: catalog.i18nc("@label", "Override");
                     visible: {
-                        if (root.job & root.job.configurationChanges) {
+                        if (root.job && root.job.configurationChanges) {
                             var length = root.job.configurationChanges.length;
                             for (var i = 0; i < length; i++) {
                                 var typeOfChange = root.job.configurationChanges[i].typeOfChange;
diff --git a/plugins/UM3NetworkPrinting/resources/qml/PrinterCard.qml b/plugins/UM3NetworkPrinting/resources/qml/PrinterCard.qml
index 61009a0ec3..fa4fada0bb 100644
--- a/plugins/UM3NetworkPrinting/resources/qml/PrinterCard.qml
+++ b/plugins/UM3NetworkPrinting/resources/qml/PrinterCard.qml
@@ -233,7 +233,7 @@ Item {
 
             // Progress bar
             PrinterCardProgressBar {
-                visible: printer && printer.activePrintJob != null && printer.activePrintJob != undefined;
+                visible: printer && printer.activePrintJob != null;
             }
         }
     }