1 files changed, 5 insertions, 3 deletions
diff --git a/man/journal-stream-fd.c b/man/journal-stream-fd.c
index 8aad5ff..595091a 100644
--- a/man/journal-stream-fd.c
+++ b/man/journal-stream-fd.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: MIT-0 */
 
+#define _GNU_SOURCE 1
 #include <errno.h>
 #include <syslog.h>
 #include <stdio.h>
@@ -10,15 +11,16 @@
 int main(int argc, char *argv[]) {
   int fd;
   FILE *log;
+
   fd = sd_journal_stream_fd("test", LOG_INFO, 1);
   if (fd < 0) {
-    errno = -fd;
-    fprintf(stderr, "Failed to create stream fd: %m\n");
+    fprintf(stderr, "Failed to create stream fd: %s\n", strerror(-fd));
     return 1;
   }
+
   log = fdopen(fd, "w");
   if (!log) {
-    fprintf(stderr, "Failed to create file object: %m\n");
+    fprintf(stderr, "Failed to create file object: %s\n", strerror(errno));
     close(fd);
     return 1;
   }