diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix
index 62c0080dd51..cf3518286fd 100644
--- a/nixos/tests/prometheus-exporters.nix
+++ b/nixos/tests/prometheus-exporters.nix
@@ -132,7 +132,9 @@ let
       exporterTest = ''
         wait_for_unit("prometheus-bird-exporter.service")
         wait_for_open_port(9324)
-        succeed("curl -sSf http://localhost:9324/metrics | grep -q 'MyObviousTestString'")
+        wait_until_succeeds(
+            "curl -sSf http://localhost:9324/metrics | grep -q 'MyObviousTestString'"
+        )
       '';
     };