diff --git a/mosqito/functions/shared/load.py b/mosqito/functions/shared/load.py
index 1daa9143..3bff3715 100644
--- a/mosqito/functions/shared/load.py
+++ b/mosqito/functions/shared/load.py
@@ -54,7 +54,7 @@ def load(is_stationary, file, calib=1, mat_signal="", mat_fs=""):
             signal = calib * signal
 
     # load the .uff file content
-    elif file[-3:] == "uff" or file[-3:] == "UFF":
+    elif file[-3:].lower() == "uff" or file[-3:].lower() == "unv":
         uff_file = pyuff.UFF(file)
         data = uff_file.read_sets()
         data.keys()
diff --git a/setup.py b/setup.py
index 7527d2fa..18067c85 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 import setuptools
 
 # /!\ update before a release
-MoSQITo_VERSION = "0.2.1"
+MoSQITo_VERSION = "0.3.1"
 
 # MoSQITo description
 with open("README.md", "r", encoding="utf-8") as fh: