diff --git a/getbits.c b/getbits.c
--- a/getbits.c
+++ b/getbits.c
@@ -29,7 +29,7 @@
 int main (void)
 {
     unsigned int i;
-    char *s = strdup (getbits (255));
+    char *s = strdup (getbits (0));
 
     for (i = 240; i < 255; i++)
         printf ("%s %s %s %s (%d)\n", s, s, s, getbits (i), i);