diff --git a/flagger/dmpflagger.py b/flagger/dmpflagger.py
index 8db353c5105a9f140ed354d91a035558c48527c0..0696c05cadf342f0594496c19da9fea96980a1d0 100644
--- a/flagger/dmpflagger.py
+++ b/flagger/dmpflagger.py
@@ -34,7 +34,7 @@ class DmpFlagger(BaseFlagger):
     def emptyFlags(self, data, **kwargs):
         columns = pd.MultiIndex(
             levels=[[], []],
-            labels=[[], []],
+            codes=[[], []],
             names=[ColumnLevels.VARIABLES, ColumnLevels.FLAGS])
         return pd.DataFrame(index=data.index, columns=columns)