diff --git a/src/insert_completer.hh b/src/insert_completer.hh
index 538df099..572e3be1 100644
--- a/src/insert_completer.hh
+++ b/src/insert_completer.hh
@@ -10,7 +10,7 @@
 namespace Kakoune
 {
 
-class SelectionList;
+struct SelectionList;
 struct Key;
 
 struct InsertCompleterDesc