1 files changed, 1 insertions, 1 deletions
diff --git a/io.c b/io.c
index 91d44c87d1..a422cc0869 100644
--- a/io.c
+++ b/io.c
@@ -2156,7 +2156,7 @@ rb_f_p(argc, argv)
     for (i=0; i<argc; i++) {
 	rb_p(argv[i]);
     }
-    fflush(stdout);
+    rb_io_flush(rb_defout);
     return Qnil;
 }