diff --git a/src/main/java/de/neemann/gui/ToolTipAction.java b/src/main/java/de/neemann/gui/ToolTipAction.java
index 04bd6225b..02f95ee9b 100644
--- a/src/main/java/de/neemann/gui/ToolTipAction.java
+++ b/src/main/java/de/neemann/gui/ToolTipAction.java
@@ -183,6 +183,7 @@ public abstract class ToolTipAction extends AbstractAction {
             ToolTipManager.sharedInstance().registerComponent(b);
         }
         b.setText(null);
+        b.setFocusable(false);
         return b;
     }