diff --git a/modules/Bio/EnsEMBL/DBSQL/DnaAlignFeatureAdaptor.pm b/modules/Bio/EnsEMBL/DBSQL/DnaAlignFeatureAdaptor.pm
index f33d7f94bb09945e0e81acb92ef1859c9d22798f..fa3739d594fdee3c58745a8ab96e9be9bb06ef09 100644
--- a/modules/Bio/EnsEMBL/DBSQL/DnaAlignFeatureAdaptor.pm
+++ b/modules/Bio/EnsEMBL/DBSQL/DnaAlignFeatureAdaptor.pm
@@ -94,7 +94,7 @@ sub _columns {
             daf.perc_ident
             daf.score
             daf.external_db_id
-            daf.hcoverage,
+            daf.hcoverage
 	    daf.external_data);
 }