diff --git a/templates/config.alloy.erb b/templates/config.alloy.erb
index 7cb40e8..ddb8809 100644
--- a/templates/config.alloy.erb
+++ b/templates/config.alloy.erb
@@ -21,9 +21,9 @@ loki.relabel "add_labels" {
   forward_to = [loki.write.loki.receiver]
 
   rule {
-    action        = "replace"
-    source_labels = ["__hostname__"]
-    target_label  = "hostname"
+    action       = "replace"
+    target_label = "hostname"
+    replacement  = "${constants.hostname}"
   }
     rule {
     action       = "replace"