diff --git a/vim.nix b/vim.nix
index 682bd62..740afcd 100644
--- a/vim.nix
+++ b/vim.nix
@@ -136,5 +136,9 @@ let plugins = let inherit (vimUtils) buildVimPluginFrom2Nix; in {
 
       " Normal backspace
       set backspace=indent,eol,start
+
+      " Set filetype tex for tikz files
+      au BufNewFile,BufRead *.tikz set filetype=tex
+
     '';
 }