diff --git a/src/libs/libtelnet/getent.c b/src/libs/libtelnet/getent.c
index 9e7fd8cc2d..3845af39e9 100644
--- a/src/libs/libtelnet/getent.c
+++ b/src/libs/libtelnet/getent.c
@@ -39,6 +39,7 @@ static char sccsid[] = "@(#)getent.c	8.2 (Berkeley) 12/15/93";
 
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>
 
 #include "misc-proto.h"