Index: trunk/src/org/openstreetmap/josm/gui/help/HelpBrowser.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/help/HelpBrowser.java	(revision 14368)
+++ trunk/src/org/openstreetmap/josm/gui/help/HelpBrowser.java	(revision 14369)
@@ -9,5 +9,4 @@
 import java.awt.BorderLayout;
 import java.awt.Dimension;
-import java.awt.GraphicsEnvironment;
 import java.awt.Rectangle;
 import java.awt.event.ActionEvent;
@@ -466,12 +465,10 @@
                         HelpUtil.getWikiBaseUrl()
                 );
-                if (!GraphicsEnvironment.isHeadless()) {
-                    JOptionPane.showMessageDialog(
-                            MainApplication.getMainFrame(),
-                            message,
-                            tr("Warning"),
-                            JOptionPane.WARNING_MESSAGE
-                    );
-                }
+                JOptionPane.showMessageDialog(
+                        MainApplication.getMainFrame(),
+                        message,
+                        tr("Warning"),
+                        JOptionPane.WARNING_MESSAGE
+                );
                 return;
             }