diff --git a/harvester/harvest.py b/harvester/harvest.py
index cd2a363c..7913d69d 100644
--- a/harvester/harvest.py
+++ b/harvester/harvest.py
@@ -20,7 +20,9 @@
 
 ckan = ckanapi.RemoteCKAN(os.getenv("CKAN_URL"), apikey=os.getenv("CKAN_API_TOKEN_DEV"))
 
-ROOT_DIR = Path(__file__).parents[1]
+dirname = os.path.dirname
+SCHEMA_PATH = os.path.join(dirname(dirname(__file__)), os.path.join('data', 'dcatus', 
+                                                                    'schemas/dataset.json'))
 
 
 @dataclass
@@ -34,9 +36,7 @@ class HarvestSource:
     _waf_config: dict = field(default_factory=lambda: {})
     _extra_source_name: str = "harvest_source_name"  # TODO: update this
     _dataset_schema: dict = field(
-        default_factory=lambda: open_json(
-            ROOT_DIR / "data" / "dcatus" / "schemas" / "dataset.json"
-        )
+        default_factory=lambda: open_json(SCHEMA_PATH)
     )
 
     # not read-only because these values are added after initialization