diff --git a/idea/__init__.py b/idea/__init__.py
index f5ba082909d3fd2e278749f74042bd1ddb93d17a..0c0f9a7321afa52f0b1b532c76bb6c950fd103dd 100644
--- a/idea/__init__.py
+++ b/idea/__init__.py
@@ -4,5 +4,5 @@
 # Copyright (c) since 2016, CESNET, z. s. p. o.
 # Use of this source is governed by an ISC license, see LICENSE file.
 
-__version__ = '0.1.12'
+__version__ = '0.1.13'
 __author__ = 'Pavel Kácha <pavel.kacha@cesnet.cz>'
diff --git a/idea/lite.py b/idea/lite.py
index 65204c3552042be539e56d9cfbad35a8dc24e77a..c4f9a8f357299147ebea2e84c5e08c2aaf751b8e 100644
--- a/idea/lite.py
+++ b/idea/lite.py
@@ -58,7 +58,7 @@ def Timestamp(t):
         return t
     try:
         # Try numeric type
-        return datetime.datetime.fromtimestamp(float(t))
+        return datetime.datetime.utcfromtimestamp(float(t))
     except (TypeError, ValueError):
         pass
     # Try RFC3339 string