diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix
index 56569c4de2c8..d9a52fa89b1c 100644
--- a/nixos/tests/prometheus-exporters.nix
+++ b/nixos/tests/prometheus-exporters.nix
@@ -314,10 +314,9 @@ let
         tokenPath = pkgs.writeText "token" "abc123";
       };
 
-      # noop: fastly's exporter can't start without first talking to fastly
-      # see: https://github.com/peterbourgon/fastly-exporter/issues/87
       exporterTest = ''
-        succeed("true");
+        wait_for_unit("prometheus-fastly-exporter.service")
+        wait_for_open_port(9118)
       '';
     };