diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b347d1..3226684 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog of Cura-DuetRRFPlugin
 
+## v1.2.1: next
+  * fix button width on high-dpi screens
+
 ## v1.2.0: 2021-01-10
   * store settings in local preferences instead of sharable metadata
   * use managed HttpRequestManager instead of low-level QNetworkAccessManager
diff --git a/resources/qml/DuetRRFAction.qml b/resources/qml/DuetRRFAction.qml
index 16c560b..80d4d12 100644
--- a/resources/qml/DuetRRFAction.qml
+++ b/resources/qml/DuetRRFAction.qml
@@ -92,7 +92,7 @@ Cura.MachineAction
         Button {
             id: saveButton;
             text: catalog.i18nc("@action:button", "Save Config");
-            width: 100;
+            width: screenScaleFactor * 100;
             onClicked: {
                 manager.saveConfig(urlField.text, duet_passwordField.text, http_userField.text, http_passwordField.text);
                 actionDialog.reject();
@@ -103,7 +103,7 @@ Cura.MachineAction
         Button {
             id: deleteButton;
             text: catalog.i18nc("@action:button", "Delete Config");
-            width: 100;
+            width: screenScaleFactor * 100;
             onClicked: {
                 manager.deleteConfig();
                 actionDialog.reject();