diff --git a/build/pluto/prometheus/exporters/blackbox.nix b/build/pluto/prometheus/exporters/blackbox.nix
index ae481c58..fd3400eb 100644
--- a/build/pluto/prometheus/exporters/blackbox.nix
+++ b/build/pluto/prometheus/exporters/blackbox.nix
@@ -38,6 +38,10 @@ let
         source_labels = [ "__address__" ];
         target_label = "__param_target";
       }
+      {
+        source_labels = [ "__address__" ];
+        target_label = "host";
+      }
       {
         source_labels = [ "__meta_dns_name" ];
         target_label = "instance";