diff --git a/ArchiveExtractor/Access.py b/ArchiveExtractor/Access.py
index 7fa63ead04578f80b43ee3951b6680f679a44623..3a63e36ce4299048abd9baea3dbc65b3c625f397 100644
--- a/ArchiveExtractor/Access.py
+++ b/ArchiveExtractor/Access.py
@@ -267,7 +267,14 @@ def infoattr(attribute, db='H'):
     info = dict()
 
     for func in ("GetAttDefinitionData", "GetAttPropertiesData"):
-        R=getattr(ae._Extractors[{'H':0, 'T':1}[db]], func)(attribute)
+        try:
+            R=getattr(ae._Extractors[{'H':0, 'T':1}[db]], func)(attribute)
+        except tango.DevFailed:
+            logger.warning("Could not call command {} on extractor".format(func))
+            R=None
+
+        logger.debug(R)
+
         if not R is None:
             for i in R:
                 _s=i.split("::")
diff --git a/ArchiveExtractor/__init__.py b/ArchiveExtractor/__init__.py
index 9822d489c40712fa16c2bccb4764c0fdcc696022..51e6a77e7dbd0eb3f1c4c3110b5ada1af765dac6 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"
+__version__ = "2.4.1"
 
 __all__ = ["Access", ]
 
diff --git a/setup.py b/setup.py
index b705f30680fb126aab8ed10e09cdf5e4485c5937..e6b506956e359d5e2ca89e24d86a03ff7bf2eeeb 100755
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from distutils.core import setup
 
 setup(name='ArchiveExtractor',
-      version='2.4', # NB Also change version number in __init__.py
+      version='2.4.1', # 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",