diff --git a/lua/tree-sitter-perga/init.lua b/lua/tree-sitter-perga/init.lua
index 7220b89..0972ce0 100644
--- a/lua/tree-sitter-perga/init.lua
+++ b/lua/tree-sitter-perga/init.lua
@@ -39,7 +39,7 @@ function M.setup(arg)
         ft.setup({
             overrides = {
                 extensions = {
-                    pg = 'perga',
+                    perga = 'pg',
                 },
             },
         })