diff --git a/.editorconfig b/.editorconfig
index b543c09..ed4779f 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -3,8 +3,11 @@ charset = utf-8
 insert_final_newline = true
 end_of_line = lf
 indent_style = space
-indent_size = 2
 max_line_length = 80
 
 [*.rs]
 indent_size = 4
+
+[*.nix]
+indent_size = 4
+max_line_length = 120