1 files changed, 5 insertions, 6 deletions
diff --git a/doio.c b/doio.c
index 6056ea704c..a1d0e466ea 100644
--- a/doio.c
+++ b/doio.c
@@ -1169,13 +1169,12 @@ Perl_do_print(pTHX_ register SV *sv, PerlIO *fp)
 	/* FALL THROUGH */
     default:
 	if (PerlIO_isutf8(fp)) {
-	    tmps = SvPVutf8(sv, len);
-	}
-	else {
-	    if (DO_UTF8(sv))
-		sv_utf8_downgrade(sv, FALSE);
-	    tmps = SvPV(sv, len);
+	    if (!SvUTF8(sv))
+		sv_utf8_upgrade(sv = sv_mortalcopy(sv));
 	}
+	else if (DO_UTF8(sv))
+	    sv_utf8_downgrade((sv = sv_mortalcopy(sv)), FALSE);
+	tmps = SvPV(sv, len);
 	break;
     }
     /* To detect whether the process is about to overstep its