diff -urN dreamchess-0.2.0/src/ui.c dreamchess-0.2.0-patched/src/ui.c
--- dreamchess-0.2.0/src/ui.c	2007-11-16 08:07:28.000000000 +1000
+++ dreamchess-0.2.0-patched/src/ui.c	2012-03-14 17:14:14.361323876 +1100
@@ -60,7 +60,7 @@
     {
         if (i > 0)
             printf(", ");
-        printf(ui_driver[i]->name);
+        printf("%s", ui_driver[i]->name);
         i++;
     }
     printf("\n");