diff --git a/buildbot_nix/__init__.py b/buildbot_nix/__init__.py
index 147b9ea..2c982e7 100644
--- a/buildbot_nix/__init__.py
+++ b/buildbot_nix/__init__.py
@@ -81,6 +81,8 @@ class BuildbotNixError(Exception):
 class GerritProject:
     # `project` field.
     name: str
+    # Private SSH key path to access Gerrit API
+    private_sshkey_path: str
 
 class BuildTrigger(steps.BuildStep):
     def __init__(
@@ -652,7 +654,7 @@ def config_for_project(
         ],
     )
     gerrit_private_key = None
-    with open('/var/lib/buildbot/master/id_gerrit', 'r') as f:
+    with open(project.private_sshkey_path, 'r') as f:
         gerrit_private_key = f.read()
 
     if gerrit_private_key is None:
@@ -775,6 +777,7 @@ class GerritNixConfigurator(ConfiguratorBase):
         gerrit_user: str,
         gerrit_port: int,
         gerrit_sshkey_path: str,
+        projects: list[str],
         url: str,
         nix_supported_systems: list[str],
         nix_eval_worker_count: int | None,
@@ -788,17 +791,24 @@ class GerritNixConfigurator(ConfiguratorBase):
         self.gerrit_server = gerrit_server
         self.gerrit_user = gerrit_user
         self.gerrit_port = gerrit_port
+        self.gerrit_sshkey_path = gerrit_sshkey_path
+        self.projects = projects
+
         self.nix_workers_secret_name = nix_workers_secret_name
         self.nix_eval_max_memory_size = nix_eval_max_memory_size
         self.nix_eval_worker_count = nix_eval_worker_count
         self.nix_supported_systems = nix_supported_systems
+
         self.gerrit_change_source = GerritChangeSource(gerrit_server, gerrit_user, gerritport=gerrit_port, identity_file=gerrit_sshkey_path)
+
         self.url = url
         self.prometheus_config = prometheus_config
+
         if binary_cache_config is not None:
             self.binary_cache_config = S3BinaryCacheConfig(**binary_cache_config)
         else:
             self.binary_cache_config = None
+
         self.signing_keyfile = signing_keyfile
 
     def configure(self, config: dict[str, Any]) -> None:
@@ -819,24 +829,24 @@ class GerritNixConfigurator(ConfiguratorBase):
 
         eval_lock = util.MasterLock("nix-eval")
 
-        # Configure the Lix project.
-        config_for_project(
-            config,
-            GerritProject(name="lix"),
-            worker_names,
-            self.nix_supported_systems,
-            self.nix_eval_worker_count or multiprocessing.cpu_count(),
-            self.nix_eval_max_memory_size,
-            eval_lock,
-            signing_keyfile=self.signing_keyfile,
-            binary_cache_config=self.binary_cache_config
-        )
+        for project in self.projects:
+            config_for_project(
+                config,
+                GerritProject(name=project, private_sshkey_path=self.gerrit_sshkey_path),
+                worker_names,
+                self.nix_supported_systems,
+                self.nix_eval_worker_count or multiprocessing.cpu_count(),
+                self.nix_eval_max_memory_size,
+                eval_lock,
+                signing_keyfile=self.signing_keyfile,
+                binary_cache_config=self.binary_cache_config
+            )
 
         config["change_source"] = self.gerrit_change_source
         config["services"].append(
             reporters.GerritStatusPush(self.gerrit_server, self.gerrit_user,
-                                       port=2022,
-                                       identity_file='/var/lib/buildbot/master/id_gerrit',
+                                       port=self.gerrit_port,
+                                       identity_file=self.gerrit_sshkey_path,
                                        summaryCB=None,
                                        startCB=None,
                                        wantSteps=True,
@@ -853,6 +863,7 @@ class GerritNixConfigurator(ConfiguratorBase):
             if not ref.startswith('refs/changes/'):
                 return ref
             return ref.rsplit('/', 1)[0]
+
         config["services"].append(
             util.OldBuildCanceller(
                 "lix_build_canceller",
diff --git a/nix/coordinator.nix b/nix/coordinator.nix
index acb7d2f..e92a581 100644
--- a/nix/coordinator.nix
+++ b/nix/coordinator.nix
@@ -98,6 +98,14 @@ in
           '';
           example = "/var/lib/buildbot/master/id_gerrit";
         };
+
+        projects = lib.mkOption {
+          type = lib.types.listOf lib.types.str;
+          description = ''
+            List of projects which are to check on Gerrit.
+          '';
+          example = [ "lix" ];
+        };
       };
 
       binaryCache = {
@@ -162,6 +170,7 @@ in
               "${cfg.gerrit.username}",
               "${toString cfg.gerrit.port}",
               "${cfg.gerrit.privateKeyFile}",
+              projects=${builtins.toJSON cfg.gerrit.projects},
               url=${builtins.toJSON config.services.buildbot-master.buildbotUrl},
               nix_eval_max_memory_size=${builtins.toJSON cfg.evalMaxMemorySize},
               nix_eval_worker_count=${if cfg.evalWorkerCount == null then "None" else builtins.toString cfg.evalWorkerCount},