diff --git a/Python/OAK/datasets/oak-fcc-3/utils/_3_flatfield_calibration_tool.py b/Python/OAK/datasets/oak-fcc-3/utils/_3_flatfield_calibration_tool.py
index 91440ae59..ecaeba364 100644
--- a/Python/OAK/datasets/oak-fcc-3/utils/_3_flatfield_calibration_tool.py
+++ b/Python/OAK/datasets/oak-fcc-3/utils/_3_flatfield_calibration_tool.py
@@ -120,6 +120,16 @@ import cv2
 import depthai as dai
 import numpy as np
 
+
+# ============================================================
+# Project root / imports locais
+# ============================================================
+
+PROJECT_ROOT = (Path(__file__).resolve().parent.parent)
+project_root_str = str(PROJECT_ROOT)
+if project_root_str not in sys.path:
+    sys.path.insert(0, project_root_str)
+
 from core.raw_processor_core import RawProcessorCore