1 files changed, 5 insertions, 0 deletions

diff --git a/sftp-int.c b/sftp-int.c
index 46e405e0d..03b229999 100644
--- a/sftp-int.c
+++ b/sftp-int.c
@@ -889,8 +889,13 @@ interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
                         return;
                 }
         }
+#if HAVE_SETVBUF
         setvbuf(stdout, NULL, _IOLBF, 0);
         setvbuf(infile, NULL, _IOLBF, 0);
+#else
+        setlinebuf(stdout);
+        setlinebuf(infile);
+#endif
 
         for(;;) {
                 char *cp;