diff --git a/charts/platform-storage/templates/service-monitor.yaml b/charts/platform-storage/templates/service-monitor.yaml
index e81033f..5b29f7a 100644
--- a/charts/platform-storage/templates/service-monitor.yaml
+++ b/charts/platform-storage/templates/service-monitor.yaml
@@ -5,6 +5,7 @@ metadata:
   name: {{ include "platformStorage.metrics.fullname" . }}
   labels: {{ include "platformStorage.labels.standard" . | nindent 4 }}
     service: platform-storage-metrics
+    platform.apolo.us/scrape-metrics: "true"
 spec:
   selector:
     matchLabels:
diff --git a/platform_storage_api/s3_storage.py b/platform_storage_api/s3_storage.py
index 838458f..f5e551c 100644
--- a/platform_storage_api/s3_storage.py
+++ b/platform_storage_api/s3_storage.py
@@ -93,8 +93,8 @@ async def put_storage_usage(self, storage_usage: StorageUsage) -> None:
         except ClientError as err:
             if err.response["ResponseMetadata"]["HTTPStatusCode"] != 404:
                 raise
-        await self._s3_client.create_bucket(Bucket=self._bucket_name)
-        await put_object()
+            await self._s3_client.create_bucket(Bucket=self._bucket_name)
+            await put_object()
 
     async def get_storage_usage(self) -> StorageUsage:
         try:
diff --git a/platform_storage_api/storage_usage.py b/platform_storage_api/storage_usage.py
index 78fc59b..fcdbcb2 100644
--- a/platform_storage_api/storage_usage.py
+++ b/platform_storage_api/storage_usage.py
@@ -141,6 +141,6 @@ def collect(self) -> Iterable[Metric]:
         )
         for project in storage_usage.projects:
             metric_family.add_metric(
-                [project.org_name or "no_org", project.project_name], project.used
+                [project.org_name or "", project.project_name], project.used
             )
         yield metric_family
diff --git a/platform_storage_api/worker.py b/platform_storage_api/worker.py
index 3474acc..f03be92 100644
--- a/platform_storage_api/worker.py
+++ b/platform_storage_api/worker.py
@@ -33,7 +33,9 @@ class App:
 
     @new_trace
     async def upload_storage_usage(self) -> None:
+        LOGGER.info("Starting storage usage collection")
         await self.storage_usage_service.upload_storage_usage()
+        LOGGER.info("Finished storage usage collection")
 
 
 def create_path_resolver(config: Config, fs: FileSystem) -> StoragePathResolver:
diff --git a/tests/integration/test_metrics.py b/tests/integration/test_metrics.py
index acdcb68..06eba16 100644
--- a/tests/integration/test_metrics.py
+++ b/tests/integration/test_metrics.py
@@ -100,6 +100,6 @@ async def test_metrics(
                 """\
             # HELP storage_used_bytes The amount of used storage space in bytes
             # TYPE storage_used_bytes gauge
-            storage_used_bytes{org_name="no_org",project_name="test-project"}"""
+            storage_used_bytes{org_name="",project_name="test-project"}"""
             )
         )
diff --git a/tests/integration/test_storage_usage.py b/tests/integration/test_storage_usage.py
new file mode 100644
index 0000000..979b9a9
--- /dev/null
+++ b/tests/integration/test_storage_usage.py
@@ -0,0 +1,70 @@
+from __future__ import annotations
+
+from collections.abc import Iterator
+from pathlib import Path
+from unittest import mock
+
+import pytest
+from aioresponses import aioresponses
+
+from platform_storage_api.s3_storage import StorageMetricsAsyncS3Storage
+from platform_storage_api.storage_usage import StorageUsage, StorageUsageService
+
+
+@pytest.fixture()
+def aiohttp_mock() -> Iterator[aioresponses]:
+    with aioresponses(passthrough=["http://0.0.0.0", "http://127.0.0.1"]) as mocked:
+        yield mocked
+
+
+class TestMetrics:
+    async def test_upload_storage_usage(
+        self,
+        aiohttp_mock: aioresponses,
+        storage_usage_service: StorageUsageService,
+        storage_metrics_s3_storage: StorageMetricsAsyncS3Storage,
+        cluster_name: str,
+        local_tmp_dir_path: Path,
+    ) -> None:
+        aiohttp_mock.get(
+            f"http://platform-admin/apis/admin/v1/clusters/{cluster_name}/orgs",
+            payload=[],
+        )
+
+        (local_tmp_dir_path / "test-project").mkdir()
+
+        await storage_usage_service.upload_storage_usage()
+
+        storage_usage = await storage_metrics_s3_storage.get_storage_usage()
+
+        assert storage_usage == StorageUsage(
+            projects=[
+                StorageUsage.Project(project_name="test-project", used=mock.ANY),
+            ]
+        )
+
+    async def test_upload_storage_usage__multiple_times(
+        self,
+        aiohttp_mock: aioresponses,
+        storage_usage_service: StorageUsageService,
+        storage_metrics_s3_storage: StorageMetricsAsyncS3Storage,
+        cluster_name: str,
+        local_tmp_dir_path: Path,
+    ) -> None:
+        aiohttp_mock.get(
+            f"http://platform-admin/apis/admin/v1/clusters/{cluster_name}/orgs",
+            payload=[],
+        )
+
+        (local_tmp_dir_path / "test-project").mkdir()
+
+        await storage_usage_service.upload_storage_usage()
+
+        await storage_metrics_s3_storage.get_storage_usage()
+        storage_usage = await storage_metrics_s3_storage.get_storage_usage()
+
+        assert storage_usage == StorageUsage(
+            projects=[
+                StorageUsage.Project(project_name="test-project", used=mock.ANY),
+            ]
+        )