diff --git a/games/backgammon/backgammon/main.c b/games/backgammon/backgammon/main.c
index 6d18876ea3c..97f0c6a937f 100644
--- a/games/backgammon/backgammon/main.c
+++ b/games/backgammon/backgammon/main.c
@@ -104,6 +104,11 @@ char	**argv;
 	register int	l;		/* non-descript index */
 	register char	c;		/* non-descript character storage */
 	long	t;			/* time for random num generator */
+	uid_t uid;
+
+	/*Drop the privilege.*/
+	uid = getuid();
+	setreuid (uid,uid);
 
 	/* initialization */
 	bflag = 2;					/* default no board */
diff --git a/games/backgammon/common_source/save.c b/games/backgammon/common_source/save.c
index 80030e792a2..b25e19494dc 100644
--- a/games/backgammon/common_source/save.c
+++ b/games/backgammon/common_source/save.c
@@ -87,7 +87,6 @@ register int	n;
 			writec (*fs++);
 		}
 		*fs = '\0';
-		setreuid(geteuid(), getuid());
 		if ((fdesc = open(fname,2)) == -1 && errno == 2)  {
 			if ((fdesc = creat (fname,0700)) != -1)
 			break;
@@ -130,7 +129,6 @@ register int	n;
 	write (fdesc,&gvalue,sizeof gvalue);
 	write (fdesc,&raflag,sizeof raflag);
 	close (fdesc);
-	setreuid(geteuid(), getuid());
 	if (tflag)
 		curmove (18,0);
 	writel (saved);
@@ -150,7 +148,6 @@ char	*s;
 	register int	i;
 	int		fdesc;
 
-	setreuid(geteuid(), getuid());
 	if ((fdesc = open (s,0)) == -1)
 		norec (s);
 	read (fdesc,board,sizeof board);
@@ -165,7 +162,6 @@ char	*s;
 	read (fdesc,&gvalue,sizeof gvalue);
 	read (fdesc,&raflag,sizeof raflag);
 	close (fdesc);
-	setreuid(geteuid(), getuid());
 	rflag = 1;
 }
 
diff --git a/games/backgammon/teachgammon/teach.c b/games/backgammon/teachgammon/teach.c
index 7761ee6ed5c..bae186c304b 100644
--- a/games/backgammon/teachgammon/teach.c
+++ b/games/backgammon/teachgammon/teach.c
@@ -42,6 +42,8 @@ static char sccsid[] = "@(#)teach.c	8.1 (Berkeley) 5/31/93";
 #endif /* not lint */
 
 #include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
 #include "back.h"
 
 char	*hello[];
@@ -78,6 +80,11 @@ char	**argv;
 
 {
 	register int	i;
+	uid_t uid;
+
+	/*Drop the privilege.*/
+	uid = getuid();
+	setreuid (uid,uid);
 
 	acnt = 1;
 	signal (2,getout);