diff --git a/alert/consume.go b/alert/consume.go
index 4aa3b42c..c799e06d 100644
--- a/alert/consume.go
+++ b/alert/consume.go
@@ -57,6 +57,7 @@ func consume(events []interface{}, sema *semaphore.Semaphore) {
 		event.RuleNote = alertRule.Note
 		event.NotifyChannels = alertRule.NotifyChannels
 		classpaths := cache.ResClasspath.GetValues(event.ResIdent)
+		sort.Strings(classpaths)
 		event.ResClasspaths = strings.Join(classpaths, " ")
 		enrichTag(event, alertRule)