diff --git a/etc/qualifier_mapping b/etc/qualifier_mapping
index 6a25a0b6cc16da77732116ac95e0626173992139..bf2c5338df8e5e9037a7c1f6bb02f7305a306e55 100644
--- a/etc/qualifier_mapping
+++ b/etc/qualifier_mapping
@@ -6,6 +6,7 @@ Dbxref                      db_xref
 private                     note
 orthologous_to              ortholog
 paralogous_to               paralog
+polypeptide_domain          note
 #
 # CHADO qualifiers to be ignored
 timelastmodified
@@ -14,4 +15,4 @@ feature_id
 Parent
 Derives_from
 feature_relationship_rank
-isObsolete
\ No newline at end of file
+isObsolete