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-rw-r--r--src/socket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/socket.c b/src/socket.c
index 34068b9192..da85ca7e8b 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -385,7 +385,7 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
prefix, s->directory_mode,
prefix, yes_no(s->keep_alive),
prefix, yes_no(s->free_bind),
- prefix, s->tcp_congestion);
+ prefix, strna(s->tcp_congestion));
if (s->control_pid > 0)
fprintf(f,