--- powermanga-0.90.old/src/bonus.c
+++ powermanga-0.90/src/bonus.c
@@ -500,6 +500,11 @@
 bonus_get (Sint32 value)
 {
   Sint32 btype = -1;
+
+/* This is a workaround for an apparent configuration-file bug. */
+
+  power_conf->difficulty = 0;
+
   if (power_conf->difficulty == 2)
     {
       if (value < 5)