diff --git a/pyproject.toml b/pyproject.toml
index 43c8a5059..83a98f1c8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "yapapi"
-version = "0.12.0-dev"
+version = "0.12.0-alpha.1"
 description = "High-level Python API for the New Golem"
 authors = ["GolemFactory <contact@golem.network>"]
 license = "LGPL-3.0-or-later"
@@ -81,7 +81,7 @@ _format_black = "black ."
 
 tests_unit = {cmd = "pytest --cov=yapapi --cov-report html --cov-report term -sv --ignore tests/goth_tests", help = "Run only unit tests"}
 tests_integration_init = { sequence = ["_gothv_env", "_gothv_requirements", "_gothv_assets"], help="Initialize the integration test environment"}
-tests_integration = { cmd = ".envs/yapapi-goth/bin/python -m pytest -svx tests/goth_tests --config-override docker-compose.build-environment.use-prerelease=false --config-path tests/goth_tests/assets/goth-config.yml --ssh-verify-connection --reruns 3 --only-rerun AssertionError --only-rerun TimeoutError --only-rerun goth.runner.exceptions.TemporalAssertionError --only-rerun urllib.error.URLError --only-rerun goth.runner.exceptions.CommandError --only-rerun requests.exceptions.ConnectionError --only-rerun OSError", help = "Run the integration tests"}
+tests_integration = { cmd = ".envs/yapapi-goth/bin/python -m pytest -svx tests/goth_tests --config-override docker-compose.build-environment.use-prerelease=false --config-path tests/goth_tests/assets/goth-config.yml --ssh-verify-connection --reruns 3 --only-rerun AssertionError --only-rerun TimeoutError --only-rerun goth.runner.exceptions.TimeoutError --only-rerun goth.runner.exceptions.TemporalAssertionError --only-rerun urllib.error.URLError --only-rerun goth.runner.exceptions.CommandError --only-rerun requests.exceptions.ConnectionError --only-rerun OSError --only-rerun requests.exceptions.ReadTimeout", help = "Run the integration tests"}
 _gothv_env = "python -m venv .envs/yapapi-goth"
 _gothv_requirements = ".envs/yapapi-goth/bin/pip install -U --extra-index-url https://test.pypi.org/simple/ goth==0.14.1 pip pytest pytest-asyncio pytest-rerunfailures pexpect"
 _gothv_assets = ".envs/yapapi-goth/bin/python -m goth create-assets tests/goth_tests/assets"
diff --git a/yapapi/services/service_runner.py b/yapapi/services/service_runner.py
index 3ac4710ff..d481e77e6 100644
--- a/yapapi/services/service_runner.py
+++ b/yapapi/services/service_runner.py
@@ -297,7 +297,10 @@ def _change_state(
             ctx = instance.service._ctx
             assert ctx is not None  # This is None only while pending for the first time
             ctx.emit(
-                events.ServiceStateChanged, service=instance, old=prev_state, new=instance.state
+                events.ServiceStateChanged,
+                service=instance.service,
+                old=prev_state,
+                new=instance.state,
             )
 
         return instance.state != prev_state