diff --git a/app/display/editor/src/main/java/org/csstudio/display/builder/editor/properties/PropertyPanelSection.java b/app/display/editor/src/main/java/org/csstudio/display/builder/editor/properties/PropertyPanelSection.java
index e18f309283..e597aa2162 100644
--- a/app/display/editor/src/main/java/org/csstudio/display/builder/editor/properties/PropertyPanelSection.java
+++ b/app/display/editor/src/main/java/org/csstudio/display/builder/editor/properties/PropertyPanelSection.java
@@ -452,7 +452,7 @@ else if (property instanceof MacroizedWidgetProperty)
                 final Button open_editor = new Button("...");
                 open_editor.setOnAction(event ->
                 {
-                    final MultiLineInputDialog dialog = new MultiLineInputDialog(macro_prop.getSpecification());
+                    final MultiLineInputDialog dialog = new MultiLineInputDialog(open_editor, macro_prop.getSpecification());
                     DialogHelper.positionDialog(dialog, open_editor, -600, 0);
                     final Optional<String> result = dialog.showAndWait();
                     if (!result.isPresent())