diff --git a/pixel_clusterizer/clusterizer.py b/pixel_clusterizer/clusterizer.py
index 5fbd612..3f394ac 100644
--- a/pixel_clusterizer/clusterizer.py
+++ b/pixel_clusterizer/clusterizer.py
@@ -40,7 +40,7 @@ def __init__(self, hit_fields=None, hit_dtype=None, cluster_fields=None, cluster
 
         # Set the translation dictionary for the important hit value names
         if hit_fields:
-            self.set_hit_fields(hit_data_type)
+            self.set_hit_fields(hit_fields)
         else:
             self.set_hit_fields({'event_number': 'event_number',
                                  'column': 'column',