diff --git a/ArchiveExtractor/Core.py b/ArchiveExtractor/Core.py
index 58246e4b6405d7c0f823cde94a89ac5638c60d02..2ac2d845b941579bf44b809b4f8a25a97c716cae 100644
--- a/ArchiveExtractor/Core.py
+++ b/ArchiveExtractor/Core.py
@@ -71,7 +71,7 @@ def _extract_scalar(attribute, method, date1, date2, db, dtype):
 
         # Transform by datatype
         if dtype is bool:
-            _value = _cast_bool(_value)
+            _value = aea._cast_bool(_value)
 
         # Fabricate return pandas.Series
         d=pd.Series(index=[datetime.datetime.fromtimestamp(int(_date)/1000),], data=[_value,], name=attribute)
diff --git a/ArchiveExtractor/__init__.py b/ArchiveExtractor/__init__.py
index 51e6a77e7dbd0eb3f1c4c3110b5ada1af765dac6..7e103159479fe945aa6797da0652aff6bb4b7441 100644
--- a/ArchiveExtractor/__init__.py
+++ b/ArchiveExtractor/__init__.py
@@ -18,7 +18,7 @@ Quick usage in ipython shell:
 """
 
 # NB: Also change version number in setup.py
-__version__ = "2.4.1"
+__version__ = "2.4.2"
 
 __all__ = ["Access", ]
 
diff --git a/setup.py b/setup.py
index e6b506956e359d5e2ca89e24d86a03ff7bf2eeeb..a67a8bb70ce7a9bed143cd22a1f6bbbf7878964f 100755
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from distutils.core import setup
 
 setup(name='ArchiveExtractor',
-      version='2.4.1', # NB Also change version number in __init__.py
+      version='2.4.2', # NB Also change version number in __init__.py
       description='Python module for extracting data from Archive Extractor Tango Device.',
       url='https://gitlab.synchrotron-soleil.fr/dg/archiveextractor',
       license="GNU-GPL-v3",