1 files changed, 5 insertions, 0 deletions

diff --git a/editors/sed.c b/editors/sed.c
index 00dde60be..6179c5e80 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -1648,6 +1648,11 @@ int sed_main(int argc UNUSED_PARAM, char **argv)
                         fchown(nonstdoutfd, statbuf.st_uid, statbuf.st_gid);
 
                         process_files();
+                        fflush(G.nonstdout);
+                        if (ferror(G.nonstdout)) {
+                                xfunc_error_retval = 4;  /* It's what gnu sed exits with... */
+                                bb_simple_error_msg_and_die(bb_msg_write_error);
+                        }
                         fclose(G.nonstdout);
                         G.nonstdout = stdout;