1 files changed, 3 insertions, 0 deletions
diff --git a/src/tee.c b/src/tee.c
index 39d989274..a5b0369fd 100644
--- a/src/tee.c
+++ b/src/tee.c
@@ -23,6 +23,7 @@
 
 #include "system.h"
 #include "error.h"
+#include "fadvise.h"
 #include "stdio--.h"
 #include "xfreopen.h"
 
@@ -157,6 +158,8 @@ tee_files (int nfiles, const char **files)
   if (O_BINARY && ! isatty (STDOUT_FILENO))
     xfreopen (NULL, "wb", stdout);
 
+  fadvise (stdin, FADVISE_SEQUENTIAL);
+
   /* In the array of NFILES + 1 descriptors, make
      the first one correspond to standard output.   */
   descriptors[0] = stdout;