Index: src/lib/com/izforge/izpack/installer/GUIInstaller.java
===================================================================
--- src/lib/com/izforge/izpack/installer/GUIInstaller.java	(revision 1265)
+++ src/lib/com/izforge/izpack/installer/GUIInstaller.java	(working copy)
@@ -322,7 +322,12 @@
                 // at all. See http://jira.jboss.com/jira/browse/JBINSTALL-232.
                 // This is a workaround until this bug gets fixed.
                 if("unix".equals(syskey)) Locale.setDefault(Locale.ENGLISH);
-                String syslaf = UIManager.getSystemLookAndFeelClassName();
+                String syslaf;
+                if (OsVersion.IS_SOLARIS || OsVersion.IS_SUNOS){
+                	syslaf = UIManager.getCrossPlatformLookAndFeelClassName();
+                } else {
+                	syslaf = UIManager.getSystemLookAndFeelClassName();
+                }
                 UIManager.setLookAndFeel(syslaf);
                 if (UIManager.getLookAndFeel() instanceof MetalLookAndFeel)
                 {