diff --git a/eos/file_reader.py b/eos/file_reader.py
index 1f67ddf..0017b2c 100644
--- a/eos/file_reader.py
+++ b/eos/file_reader.py
@@ -41,7 +41,7 @@ class AmorHeader:
 
     def __init__(self, fileName:Union[str, h5py.File, BinaryIO]):
         if type(fileName) is str:
-            logging.debug(f'    opening file {fileName}')
+            logging.info(f'    opening file {fileName}')
             self.hdf = h5py.File(fileName, 'r', swmr=True)
         elif type(fileName) is h5py.File:
             self.hdf = fileName
diff --git a/eos/kafka_serializer.py b/eos/kafka_serializer.py
index 140e6fb..d09773a 100644
--- a/eos/kafka_serializer.py
+++ b/eos/kafka_serializer.py
@@ -230,7 +230,6 @@ class ESSSerializer:
     def send(self, proj: Union[YZProjection, TofZProjection]):
         if isinstance(proj, YZProjection):
             if self._active_histogram_yz is None:
-                proj.clear()
                 return
             suffix = 'YZ'
             message = HistogramMessage(
@@ -263,7 +262,6 @@ class ESSSerializer:
             self._last_message_yz = message
         elif isinstance(proj, TofZProjection):
             if self._active_histogram_tofz is None:
-                proj.clear()
                 return
             suffix = 'TofZ'
             message = HistogramMessage(
diff --git a/eos/nicos.py b/eos/nicos.py
index 37ea714..147d935 100644
--- a/eos/nicos.py
+++ b/eos/nicos.py
@@ -18,7 +18,7 @@ def main():
 
     # read command line arguments and generate classes holding configuration parameters
     clas = commandLineArgs([ReaderConfig, ExperimentConfig, E2HReductionConfig],
-                           'events2histogram')
+                           'amor-nicos')
     update_loglevel(clas.verbose)
 
     reader_config = ReaderConfig.from_args(clas)
@@ -26,7 +26,7 @@ def main():
     reduction_config = E2HReductionConfig.from_args(clas)
     config = E2HConfig(reader_config, experiment_config, reduction_config)
 
-    logging.warning('######## events2histogram - data vizualization for Amor ########')
+    logging.warning('######## amor-nicos - Nicos histogram for Amor ########')
     from eos.reduction_kafka import KafkaReduction
 
     # only import heavy module if sufficient command line parameters were provided
@@ -36,7 +36,7 @@ def main():
     # Perform actual reduction
     reducer.reduce()
 
-    logging.info('######## events2histogram - finished ########')
+    logging.info('######## amor-nicos - finished ########')
 
 if __name__ == '__main__':
     main()
diff --git a/eos/reduction_kafka.py b/eos/reduction_kafka.py
index dd5d0ae..83f33fd 100644
--- a/eos/reduction_kafka.py
+++ b/eos/reduction_kafka.py
@@ -82,6 +82,8 @@ class KafkaReduction:
 
         logging.warning(f"Preceding to next file {latest}")
         self.current_file = new_file
+        self.proj_yz.clear()
+        self.proj_tofz.clear()
         self.read_data()
         self.add_data()