diff --git a/src/risotto/image.py b/src/risotto/image.py
index e85dda7..cda153e 100644
--- a/src/risotto/image.py
+++ b/src/risotto/image.py
@@ -16,14 +16,17 @@ except:
 from .utils import _
 
 
-DATASET_PATH = ''
+DATASET_PATH = '/usr/share/risotto/'
 TMP_DIRECTORY = '/tmp'
 PACKER_TMP_DIRECTORY = join(TMP_DIRECTORY, 'packer')
 PACKER_FILE_NAME = 'recipe.json'
 IMAGES_DIRECTORY = join(TMP_DIRECTORY, 'images')
 
 
-FUNCTIONS = b"""from tiramisu import valid_network_netmask, valid_ip_netmask, valid_broadcast, valid_in_network, valid_not_equal as valid_differ, valid_not_equal, calc_value
+FUNCTIONS = b"""try:
+    from tiramisu3 import valid_network_netmask, valid_ip_netmask, valid_broadcast, valid_in_network, valid_not_equal as valid_differ, valid_not_equal, calc_value
+except:
+    from tiramisu import valid_network_netmask, valid_ip_netmask, valid_broadcast, valid_in_network, valid_not_equal as valid_differ, valid_not_equal, calc_value
 # =============================================================
 # fork of risotto-setting/src/risotto_setting/config/config.py
 def get_password(**kwargs):
@@ -168,7 +171,6 @@ class Image:
             if not isdir(funcs_dir):
                 continue
             for func in listdir(funcs_dir):
-                print(join(funcs_dir, func))
                 with open(join(funcs_dir, func), 'rb') as fh:
                     functions += fh.read()
         func_name = join(packer_tmp_directory, 'func.py')
@@ -251,14 +253,12 @@ class Image:
 
     def build_image(self,
                     packer_dst_filename: str,
-                    packer_tmp_directory: str,
+                    tmp_directory: str,
                     packer_configuration: dict,
                     ) -> None:
-        tmp_directory = join(packer_tmp_directory, 'tmp')
-        makedirs(tmp_directory)
         packer_configuration['tmp_directory'] = tmp_directory
         recipe = {'variables': packer_configuration}
-        packer_filename = join(packer_tmp_directory, PACKER_FILE_NAME)
+        packer_filename = join(tmp_directory, PACKER_FILE_NAME)
         with open(packer_filename, 'r') as recipe_fd:
             for key, value in jload(recipe_fd).items():
                 recipe[key] = value
@@ -271,7 +271,7 @@ class Image:
                      )
         proc.wait()
         if proc.returncode:
-            raise Exception(_(f'cannot build {application} with {packer_filename}'))
+            raise Exception(_(f'cannot build {packer_dst_filename} with {packer_filename}'))
         move(join(tmp_directory, 'image.img'), packer_dst_filename)
         move(join(tmp_directory, 'image.sha256'), f'{packer_dst_filename}.sha256')
         rmtree(tmp_directory)