diff --git a/usr.sbin/pkg_install/lib/lib.h b/usr.sbin/pkg_install/lib/lib.h
index d0e770b19152..2dafbc60b7d9 100644
--- a/usr.sbin/pkg_install/lib/lib.h
+++ b/usr.sbin/pkg_install/lib/lib.h
@@ -1,4 +1,4 @@
-/* $Id: lib.h,v 1.18 1995/08/26 10:15:12 jkh Exp $ */
+/* $Id: lib.h,v 1.19 1995/10/25 15:38:34 jkh Exp $ */
 
 /*
  * FreeBSD install - a package for the installation and maintainance
@@ -109,7 +109,7 @@ void		cleanup(int);
 char		*make_playpen(char *, size_t);
 char		*where_playpen(void);
 void		leave_playpen(char *);
-size_t		min_free(char *);
+off_t		min_free(char *);
 
 /* String */
 char 		*get_dash_string(char **);
diff --git a/usr.sbin/pkg_install/lib/pen.c b/usr.sbin/pkg_install/lib/pen.c
index e5873e14f912..98a7d713a52a 100644
--- a/usr.sbin/pkg_install/lib/pen.c
+++ b/usr.sbin/pkg_install/lib/pen.c
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char *rcsid = "$Id: pen.c,v 1.19 1995/10/25 15:38:35 jkh Exp $";
+static const char *rcsid = "$Id: pen.c,v 1.20 1996/02/09 12:05:26 jkh Exp $";
 #endif
 
 /*
@@ -87,7 +87,7 @@ make_playpen(char *pen, size_t sz)
     }
     if (Verbose) {
 	if (sz)
-	    fprintf(stderr, "Requested space: %d bytes, free space: %d bytes in %s\n", (int)sz, min_free(pen), pen);
+	    fprintf(stderr, "Requested space: %d bytes, free space: %qd bytes in %s\n", (int)sz, min_free(pen), pen);
     }
     if (min_free(pen) < sz) {
 	rmdir(pen);
@@ -130,7 +130,7 @@ leave_playpen(char *save)
     signal(SIGINT, oldsig);
 }
 
-size_t
+off_t
 min_free(char *tmpdir)
 {
     struct statfs buf;
@@ -139,5 +139,5 @@ min_free(char *tmpdir)
 	perror("Error in statfs");
 	return -1;
     }
-    return buf.f_bavail * buf.f_bsize;
+    return (off_t)buf.f_bavail * (off_t)buf.f_bsize;
 }