diff --git a/src/s/hpux8.h b/src/s/hpux8.h
index 5e024722c07..13197b83faa 100644
--- a/src/s/hpux8.h
+++ b/src/s/hpux8.h
@@ -30,4 +30,6 @@
    and none have sioctl.h, so might as well define this.  */
 #define NO_SIOCTL_H
 
-#define HAVE_RANDOM
+/* If you use X11R4 you must define this.  If you use
+   X11R5 you must comment this out */
+/* #define HAVE_RANDOM */