diff --git a/src/libsystemd/sd-journal/test-journal-flush.c b/src/libsystemd/sd-journal/test-journal-flush.c
index dad277dd66..aa814225dd 100644
--- a/src/libsystemd/sd-journal/test-journal-flush.c
+++ b/src/libsystemd/sd-journal/test-journal-flush.c
@@ -29,8 +29,11 @@ int main(int argc, char *argv[]) {
         r = journal_file_open(-1, fn, O_CREAT|O_RDWR, 0644, false, 0, false, NULL, NULL, NULL, NULL, &new_journal);
         assert_se(r >= 0);
 
-        r = sd_journal_open(&j, 0);
-        assert_se(r >= 0);
+        if (argc > 1)
+                r = sd_journal_open_files(&j, (const char **) strv_skip(argv, 1), 0);
+        else
+                r = sd_journal_open(&j, 0);
+        assert_se(r == 0);
 
         sd_journal_set_data_threshold(j, 0);