diff --git a/config/nvim/ftplugin/python.lua b/config/nvim/ftplugin/python.lua
index 3e4e866..eaccd1b 100644
--- a/config/nvim/ftplugin/python.lua
+++ b/config/nvim/ftplugin/python.lua
@@ -1,2 +1,4 @@
 vim.bo.textwidth = 79
-vim.bo.fileformat = "unix"
+if vim.bo.modifiable then
+  vim.bo.fileformat = "unix"
+end