--- dosemu-1.4.0/src/tools/periph/dexeconfig.c.old	2007-05-04 07:59:48.000000000 +0200
+++ dosemu-1.4.0/src/tools/periph/dexeconfig.c	2007-11-14 08:54:34.000000000 +0100
@@ -238,7 +238,7 @@
     exit(1);
   }
   close(fd);
-  fc = open(cfile, O_WRONLY | O_CREAT | O_TRUNC);
+  fc = open(cfile, O_WRONLY | O_CREAT | O_TRUNC, S_IWUSR | S_IRUSR);
   if (fc < 0) {
     perror("cannot open config file");
     exit(1);