diff --git a/nix/clickhouse/default.nix b/nix/clickhouse/default.nix
index 7f618de7..cc5f941a 100644
--- a/nix/clickhouse/default.nix
+++ b/nix/clickhouse/default.nix
@@ -157,7 +157,13 @@ in
                 command = "${lib.getExe startScript}";
 
                 readiness_probe = {
-                  exec.command = ''${config.package}/bin/clickhouse-client --query "SELECT 1" --port ${builtins.toString config.port}'';
+                  # FIXME: revert back to clickhouse-client readiness_probe once CI is moved out of github public runners
+                  # See: https://github.com/juspay/services-flake/issues/100
+                  # exec.command = ''${config.package}/bin/clickhouse-client --query "SELECT 1" --port ${builtins.toString config.port}'';
+                  http_get = {
+                    host = "localhost";
+                    port = if (lib.hasAttr "http_port" config.extraConfig) then config.extraConfig.http_port else 8123;
+                  };
                   initial_delay_seconds = 2;
                   period_seconds = 10;
                   timeout_seconds = 4;