diff --git a/filter/filters_circleci.go b/filter/filters_circleci.go
index f6d46082..bd9a6fee 100644
--- a/filter/filters_circleci.go
+++ b/filter/filters_circleci.go
@@ -32,7 +32,7 @@ import (
 )
 
 // NewMOGFilter returns a pointer to a new NoOp struct for testing purposes only.
-func NewMOGFilter(dst io.WriteCloser, area, threshold float64, history int, debug bool) *NoOp {
+func NewMOGFilter(dst io.WriteCloser, area, threshold float64, history int, debug bool, hf int) *NoOp {
 	return &NoOp{dst: dst}
 }