diff --git a/src/jexer/TButton.java b/src/jexer/TButton.java
index 2111a8d..e31a0fb 100644
--- a/src/jexer/TButton.java
+++ b/src/jexer/TButton.java
@@ -306,6 +306,18 @@ public class TButton extends TWidget {
     // TWidget ----------------------------------------------------------------
     // ------------------------------------------------------------------------
 
+    /**
+     * Override TWidget.setActive() so that the button ends are redrawn.
+     *
+     * @param enabled if true, this widget can be tabbed to or receive events
+     */
+    @Override
+    public void setEnabled(final boolean enabled) {
+        super.setEnabled(enabled);
+        rightEdgeShadowCharBottom = null;
+        shadowColor = null;
+    }
+
     /**
      * Override TWidget's width: we can only set width at construction time.
      *
diff --git a/src/jexer/TWidget.java b/src/jexer/TWidget.java
index 818b1f0..ff6948c 100644
--- a/src/jexer/TWidget.java
+++ b/src/jexer/TWidget.java
@@ -1041,7 +1041,7 @@ public abstract class TWidget implements Comparable<TWidget> {
      *
      * @param enabled if true, this widget can be tabbed to or receive events
      */
-    public final void setEnabled(final boolean enabled) {
+    public void setEnabled(final boolean enabled) {
         this.enabled = enabled;
         if (!enabled) {
             active = false;