diff --git a/extensions/aproc/proc/download/drivers/impl/tif_file.py b/extensions/aproc/proc/download/drivers/impl/tif_file.py
index faab32af..348fa440 100644
--- a/extensions/aproc/proc/download/drivers/impl/tif_file.py
+++ b/extensions/aproc/proc/download/drivers/impl/tif_file.py
@@ -1,5 +1,5 @@
 import os
-from airs.core.models.model import Item, Role
+from airs.core.models.model import Item, Role, Asset
 from aproc.core.settings import Configuration
 from extensions.aproc.proc.download.drivers.driver import Driver as DownloadDriver
 from datetime import datetime
@@ -16,7 +16,7 @@ def supports(item: Item) -> bool:
         if item.assets.get(Role.data.value) is not None:
             asset = item.assets.get(Role.data.value)
             file_name = os.path.basename(asset.href)
-            return file_name.lower().endswith(".tif")
+            return file_name.lower().endswith(".tif") or file_name.lower().endswith(".tiff")
         else:
             return False
     
@@ -38,6 +38,3 @@ def fetch_and_transform(self, item: Item, target_directory: str, file_name: str,
             target_file_name = os.path.splitext(tif_file_name)[0]  + datetime.now().strftime("%d-%m-%Y-%H-%M-%S")+'.JP2'
         extract(crop_wkt, tif_file, driver_target, epsg_target, target_directory, target_file_name,
                       target_projection)
-
-
-
diff --git a/extensions/aproc/proc/download/drivers/impl/utils.py b/extensions/aproc/proc/download/drivers/impl/utils.py
index aebf7bd4..258892ef 100644
--- a/extensions/aproc/proc/download/drivers/impl/utils.py
+++ b/extensions/aproc/proc/download/drivers/impl/utils.py
@@ -31,6 +31,8 @@ def extract(crop_wkt, file, driver_target, epsg_target, target_directory, target
         srs.ImportFromEPSG(int(str(src.crs).split(":")[1]))
         out_image, out_transform = rasterio.mask.mask(src, [geom], crop=crop_wkt is not None)
         out_meta = src.meta.copy()
+        if driver_target == 'JP2OpenJPEG' and isinstance(out_meta['dtype'], str) and not out_meta['dtype'].startswith('uint'):
+            out_meta['dtype'] = 'uint8'
         default_transform, width, height = calculate_default_transform(epsg_src.crs, epsg_target.crs,
                                                                        out_image.shape[2], out_image.shape[1],
                                                                        *geom.bounds)