diff --git a/etc/feature_keys_gff b/etc/feature_keys_gff
index 4cf7670aeca4b428d4087adbace9e5ac6a92eddd..e8864dbf087c71bc6fd7f6ba8ec5f85079ca35ee 100644
--- a/etc/feature_keys_gff
+++ b/etc/feature_keys_gff
@@ -39,3 +39,4 @@ dispersed_repeat    ID Name Alias Parent Note Target Gap Derives_from Dbxref Ont
 repeat_family       ID Name Alias Parent Note Target Gap Derives_from Dbxref Ontology_term gff_source gff_seqname score colour color
 transposable_element  ID Name Alias Parent Target Gap Derives_from Note Dbxref Ontology_term colour color
 binding_site        ID Name Alias Parent Target Gap Derives_from Note Dbxref Ontology_term colour color
+gap                 ID Name Alias Parent gff_source gff_seqname score