diff --git a/corrlib/toml.py b/corrlib/toml.py
index 94d12e7..007c8e1 100644
--- a/corrlib/toml.py
+++ b/corrlib/toml.py
@@ -11,7 +11,7 @@ the import of projects via TOML.
 import tomllib as toml
 import shutil
 from .input import sfcf
-from .main import import_project
+from .main import import_project, update_aliases
 from .meas_io import write_measurement
 import datalad.api as dl
 import os
@@ -58,7 +58,15 @@ def import_toml(path: str, file: str, copy_file: bool=True) -> None:
     project: dict = toml_dict['project']
     measurements: dict = toml_dict['measurements']
     check_measurement_data(measurements)
-    uuid = import_project(path, project['url'], aliases = project.get('aliases', None))
+    aliases = project.get('aliases', None)
+    uuid = project.get('uuid', None)
+    if uuid is not None:
+        if not os.path.exists(path + "/projects/" + uuid):
+            uuid = import_project(path, project['url'], aliases=aliases)
+        else:
+            update_aliases(path, uuid, aliases)
+    else:
+        uuid = import_project(path, project['url'], aliases=aliases)
     for mname, md in measurements.items():
         print("Import measurement: " + mname)
         ensemble = md['ensemble']