diff --git a/after/ftplugin/mojo.lua b/after/ftplugin/mojo.lua
new file mode 100644
index 0000000..5614513
--- /dev/null
+++ b/after/ftplugin/mojo.lua
@@ -0,0 +1,4 @@
+vim.opt.expandtab = true
+vim.opt.tabstop = 8
+vim.opt.shiftwidth = 4
+vim.opt.softtabstop = 4