diff --git a/tests/data/test_pvlive_data.py b/tests/data/test_pvlive_data.py
index 7a2265e..fbcc9c3 100644
--- a/tests/data/test_pvlive_data.py
+++ b/tests/data/test_pvlive_data.py
@@ -2,7 +2,7 @@
 from unittest.mock import MagicMock
 from datetime import datetime
 import pytz
-from open_data_pvnet.scripts.fetch_pvlive_data import PVLiveData
+from src.open_data_pvnet.scripts.fetch_pvlive_data import PVLiveData
 
 
 @pytest.fixture
diff --git a/tests/test_dwd.py b/tests/test_dwd.py
index baf9293..693be74 100644
--- a/tests/test_dwd.py
+++ b/tests/test_dwd.py
@@ -1,7 +1,11 @@
 import pytest
 from unittest.mock import Mock
 from pathlib import Path
+import sys
+import pathlib
 
+src_dir = pathlib.Path(__file__).parent.parent / 'src'
+sys.path.insert(0, str(src_dir))
 from open_data_pvnet.nwp.dwd import (
     generate_variable_url,
     fetch_dwd_data,
diff --git a/tests/test_main.py b/tests/test_main.py
index cf42ff4..9f1437d 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -1,5 +1,11 @@
 import pytest
 from unittest.mock import patch
+import sys
+import pathlib
+
+src_dir = pathlib.Path(__file__).parent.parent / 'src'
+sys.path.insert(0, str(src_dir))
+
 from open_data_pvnet.main import (
     configure_parser,
     load_env_and_setup_logger,
diff --git a/tests/test_met_office.py b/tests/test_met_office.py
index 1f9250e..f59c686 100644
--- a/tests/test_met_office.py
+++ b/tests/test_met_office.py
@@ -1,5 +1,10 @@
 import pytest
 from unittest.mock import Mock
+import sys
+import pathlib
+
+src_dir = pathlib.Path(__file__).parent.parent / 'src'
+sys.path.insert(0, str(src_dir))
 
 from open_data_pvnet.nwp.met_office import (
     generate_prefix,
diff --git a/tests/test_metadata.py b/tests/test_metadata.py
index 9e781a4..5104358 100644
--- a/tests/test_metadata.py
+++ b/tests/test_metadata.py
@@ -1,4 +1,10 @@
 import tomllib
+import sys
+import pathlib
+
+src_dir = pathlib.Path(__file__).parent.parent / 'src'
+sys.path.insert(0, str(src_dir))
+
 import open_data_pvnet
 
 
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 128dd79..0aca8e2 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -8,7 +8,11 @@
 import yaml
 import pandas as pd
 from huggingface_hub.utils import EntryNotFoundError
+import sys
+import pathlib
 
+src_dir = pathlib.Path(__file__).parent.parent / 'src'
+sys.path.insert(0, str(src_dir))
 from open_data_pvnet.utils.config_loader import load_config
 from open_data_pvnet.utils.env_loader import load_environment_variables
 from open_data_pvnet.utils.data_converters import convert_nc_to_zarr