diff --git a/zuul/ansible/library/zuul_log.py b/zuul/ansible/library/zuul_log.py
index 2072bc9..4b377d9 100644
--- a/zuul/ansible/library/zuul_log.py
+++ b/zuul/ansible/library/zuul_log.py
@@ -29,7 +29,7 @@
 
     def addLine(self, ln):
         ts = datetime.datetime.now()
-        outln = '%s %s' % (str(ts), ln)
+        outln = '%s | %s' % (str(ts), ln)
         self.logfile.write(outln)