diff --git a/chart/database/server.py b/chart/database/server.py
index 293ff24..a5f48de 100644
--- a/chart/database/server.py
+++ b/chart/database/server.py
@@ -9,7 +9,7 @@ import asyncpg
 
 from utils.load_config import load_config
 
-config = load_config('config.yaml')
+config = load_config('config.hjson')
 
 async def create_pool() -> asyncpg.pool.Pool:
     """
diff --git a/chart/main.py b/chart/main.py
index b194c71..567baee 100644
--- a/chart/main.py
+++ b/chart/main.py
@@ -16,7 +16,7 @@ from routes import get_chart, get_chart_period
 from utils.load_config import load_config
 
 app = FastAPI()
-config = load_config('config.yaml')
+config = load_config('config.hjson')
 
 if not os.path.exists('../charts'):
     os.mkdir('../charts')
diff --git a/chart/middleware/plausible_analytics.py b/chart/middleware/plausible_analytics.py
index 50fa138..7afb4d5 100644
--- a/chart/middleware/plausible_analytics.py
+++ b/chart/middleware/plausible_analytics.py
@@ -9,7 +9,7 @@ from user_agents import parse as ua_parse
 
 from utils.load_config import load_config
 
-config = load_config('config.yaml')
+config = load_config('config.hjson')
 
 # pylint: disable=too-few-public-methods
 class PlausibleAnalytics: