--- interface/gtk/gtk_interface.cpp.orig	Tue May  4 21:33:21 2004
+++ interface/gtk/gtk_interface.cpp	Tue May  4 21:43:54 2004
@@ -16,6 +16,7 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#include "assert.h"
 #include "AlsaPlayer.h"
 #include "config.h"
 #include "prefs.h"