diff --git a/.config/kak-tree-sitter/config.toml b/.config/kak-tree-sitter/config.toml
index 1cc07bb9..2055074d 100644
--- a/.config/kak-tree-sitter/config.toml
+++ b/.config/kak-tree-sitter/config.toml
@@ -15,7 +15,7 @@ groups = [
 # mermaid
 
 [language.mermaid]
-aliases = ["mmd"]
+grammar = "mermaid"
 
 [grammar.mermaid.source.git]
 url = "https://github.com/monaqa/tree-sitter-mermaid"