diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 99bbf08be6..a874ca5eaa 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -2335,7 +2335,7 @@ _public_ int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_
         }
 }
 
-void sd_journal_restart_unique(sd_journal *j) {
+_public_ void sd_journal_restart_unique(sd_journal *j) {
         if (!j)
                 return;