diff --git a/test/test-network/systemd-networkd-tests.py b/test/test-network/systemd-networkd-tests.py
index 0a87c5d239..7c9ca6610d 100755
--- a/test/test-network/systemd-networkd-tests.py
+++ b/test/test-network/systemd-networkd-tests.py
@@ -713,6 +713,7 @@ def read_networkd_log(invocation_id=None, since=None):
     ]
     if since:
         command.append(f'--since={since}')
+    check_output('journalctl --sync')
     return check_output(*command)
 
 def stop_networkd(show_logs=True):