diff --git a/frontik/integrations/telemetry.py b/frontik/integrations/telemetry.py
index 447d6b3c2..48f44ee6f 100644
--- a/frontik/integrations/telemetry.py
+++ b/frontik/integrations/telemetry.py
@@ -76,7 +76,7 @@ def initialize_app(self, app: FrontikApplication) -> Optional[Future]:
 
         resource = Resource(
             attributes={
-                ResourceAttributes.SERVICE_NAME: options.app,  # type: ignore
+                ResourceAttributes.SERVICE_NAME: app.app_name,  # type: ignore
                 ResourceAttributes.SERVICE_VERSION: app.application_version(),  # type: ignore
                 ResourceAttributes.HOST_NAME: options.node_name,
                 ResourceAttributes.CLOUD_REGION: http_client_options.datacenter,
diff --git a/frontik/process.py b/frontik/process.py
index b7d76199e..4dd4db3fc 100644
--- a/frontik/process.py
+++ b/frontik/process.py
@@ -90,10 +90,12 @@ def master_sigterm_handler(signum, _frame):
         time.sleep(0.1)
     _master_function_wrapper(worker_state, master_function)
     worker_state.master_done.value = True
-    _supervise_workers(worker_state, worker_function_wrapped)
+    _supervise_workers(worker_state, worker_function_wrapped, master_before_shutdown_action)
 
 
-def _supervise_workers(worker_state: WorkerState, worker_function: Callable) -> None:
+def _supervise_workers(
+    worker_state: WorkerState, worker_function: Callable, master_before_shutdown_action: Callable
+) -> None:
     while worker_state.children:
         try:
             pid, status = os.wait()
@@ -114,6 +116,14 @@ def _supervise_workers(worker_state: WorkerState, worker_function: Callable) ->
 
         if os.WIFSIGNALED(status):
             log.warning('child %d (pid %d) killed by signal %d, restarting', worker_id, pid, os.WTERMSIG(status))
+
+            # TODO remove this block  # noqa
+            worker_state.terminating = True
+            master_before_shutdown_action()
+            for pid, worker_id in worker_state.children.items():
+                log.info('sending %s to child %d (pid %d)', signal.Signals(os.WTERMSIG(status)).name, worker_id, pid)
+                os.kill(pid, signal.SIGTERM)
+
         elif os.WEXITSTATUS(status) != 0:
             log.warning('child %d (pid %d) exited with status %d, restarting', worker_id, pid, os.WEXITSTATUS(status))
         else:
diff --git a/pyproject.toml b/pyproject.toml
index 02bf7d3cc..e2b3542d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -114,7 +114,7 @@ ignore = [
     # should be ignored
     'ANN101','ANN102','D102','D101','CPY001','D100','D107','D106','B008','D103','D104','D105','D202',
     'RET505','RET506','RET504','RSE102','TCH003','TCH002',
-    'COM812', 'ISC001', 'PT015',
+    'COM812', 'ISC001', 'PT015', 'FIX002',
 ]
 
 [tool.ruff.lint.isort]
diff --git a/tests/test_telemetry.py b/tests/test_telemetry.py
index c60539721..4583564e7 100644
--- a/tests/test_telemetry.py
+++ b/tests/test_telemetry.py
@@ -142,7 +142,7 @@ def frontik_app(self) -> FrontikApplication:
         return app
 
     async def test_parent_span(self, frontik_app: FrontikApplication) -> None:
-        await self.fetch_json('/page_a')
+        await self.fetch('/page_a')
         BATCH_SPAN_PROCESSOR[0].force_flush()
         assert len(SPAN_STORAGE) == 4
         client_a_span = find_span('http.request.cloud.region', 'externalRequest')