1 files changed, 6 insertions, 2 deletions
diff --git a/src/journal/journal-qrcode.c b/src/journal/journal-qrcode.c
index 4e194bd809..5a9dcaa525 100644
--- a/src/journal/journal-qrcode.c
+++ b/src/journal/journal-qrcode.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -21,6 +22,7 @@
 #include <qrencode.h>
 #include <stdbool.h>
 #include <stdio.h>
+#include <stdio_ext.h>
 #include <stdlib.h>
 
 #include "journal-qrcode.h"
@@ -65,11 +67,13 @@ int print_qr_code(
         if (!f)
                 return -ENOMEM;
 
-        fputs_unlocked("fss://", f);
+        (void) __fsetlocking(f, FSETLOCKING_BYCALLER);
+
+        fputs("fss://", f);
 
         for (i = 0; i < seed_size; i++) {
                 if (i > 0 && i % 3 == 0)
-                        fputc_unlocked('-', f);
+                        fputc('-', f);
                 fprintf(f, "%02x", ((uint8_t*) seed)[i]);
         }