diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix
index cdf666378fa3..8b40d7e41c00 100644
--- a/nixos/tests/prometheus-exporters.nix
+++ b/nixos/tests/prometheus-exporters.nix
@@ -1086,13 +1086,8 @@ let
         ];
       };
       exporterTest = ''
-        wait_for_unit("prometheus-smartctl-exporter.service")
-        wait_for_open_port(9633)
         wait_until_succeeds(
-          "curl -sSf 'localhost:9633/metrics'"
-        )
-        wait_until_succeeds(
-            'journalctl -eu prometheus-smartctl-exporter.service -o cat | grep "/dev/vda: Unable to detect device type"'
+            'journalctl -eu prometheus-smartctl-exporter.service -o cat | grep "Device unavailable"'
         )
       '';
     };