diff --git a/thermo_scenes/scripts/preprocess_thermal.py b/thermo_scenes/scripts/preprocess_thermal.py
index e3c100c..64f2b67 100644
--- a/thermo_scenes/scripts/preprocess_thermal.py
+++ b/thermo_scenes/scripts/preprocess_thermal.py
@@ -16,8 +16,8 @@ class Paths:
     """Path to the output rgb images"""
     path_to_csv_files: str
     """Path to the output csv files of temperature values"""
-    path_to_txt: str = "temperature_bounds.json"
-    """Path to the txt file with temperature bounds for the dataset"""
+    path_to_json: str
+    """Path to the output json file with temperature bounds for the dataset"""
 
 
 def main() -> None:
@@ -37,7 +37,9 @@ def main() -> None:
     flir.save_normalised_thermal_images(
         paths.path_to_thermal_images_curated, paths.path_to_csv_files
     )
-    flir.save_temperature_bounds(paths.path_to_txt)
+    flir.save_temperature_bounds(
+        str(Path(paths.path_to_json, "temperature_bounds.json"))
+    )
 
 
 if __name__ == "__main__":