diff --git a/src/main/java/ui/TDiagramPanel.java b/src/main/java/ui/TDiagramPanel.java
index aec52d1fff78d4bc57ec1ad513c41b4bf366d515..e3bae696c2d6f08d4f91c3d3f571ea18bdd4f82c 100755
--- a/src/main/java/ui/TDiagramPanel.java
+++ b/src/main/java/ui/TDiagramPanel.java
@@ -1674,6 +1674,9 @@ public abstract class TDiagramPanel extends JPanel implements GenericTree {
         if (e.getSource() == checkAccessibility) {
             if (componentPopup instanceof CheckableAccessibility) {
                 componentPopup.setCheckableAccessibility(!componentPopup.getCheckableAccessibility());
+
+                // Issue #35: Enable the save button so that the change can be saved
+                mgui.changeMade(this, CHANGE_VALUE_COMPONENT);
             }
         }