diff --git a/src/rougail/annotator/fill.py b/src/rougail/annotator/fill.py
index 0dd701a96..8ee3bac7f 100644
--- a/src/rougail/annotator/fill.py
+++ b/src/rougail/annotator/fill.py
@@ -32,7 +32,7 @@ from rougail.annotator.target import TargetAnnotator
 from rougail.annotator.param import ParamAnnotator
 
 
-CALC_MULTI = ('calc_value', 'calc_list', 'get_range', 'calc_val_first_value', 'unbound_filename', 'zone_information')
+CALC_MULTI = ('calc_value', 'calc_list', 'get_range', 'calc_val_first_value', 'unbound_filename', 'zone_information', 'get_certificates')
 
 
 class Annotator(TargetAnnotator, ParamAnnotator):