diff --git a/pysatMadrigal/instruments/dmsp_ivm.py b/pysatMadrigal/instruments/dmsp_ivm.py
index d225ca1..ea0bc8a 100644
--- a/pysatMadrigal/instruments/dmsp_ivm.py
+++ b/pysatMadrigal/instruments/dmsp_ivm.py
@@ -112,8 +112,9 @@
 _clean_warn = {inst_id: {tag: {clean_level: [('logger', 'WARN',
                                               'this level 1 data has no qual',
                                               clean_level)]
+                               if tag != 'utd' else [] 
                                for clean_level in ['clean', 'dusty', 'dirty']}
-                         for tag in inst_ids[inst_id] if tag != 'utd'}
+                         for tag in inst_ids[inst_id]}
                for inst_id in inst_ids.keys()}
 
 # ----------------------------------------------------------------------------