diff --git a/stow/vifm/.config/vifm/scripts/favicons.vifm b/stow/vifm/.config/vifm/scripts/favicons.vifm
index fdd4ce5..4c0f6dd 100644
--- a/stow/vifm/.config/vifm/scripts/favicons.vifm
+++ b/stow/vifm/.config/vifm/scripts/favicons.vifm
@@ -48,6 +48,7 @@ set classify+='  ::*.fish,,*.sh,,*.bash::'
 set classify+='  ::*.ejs,,*.slim,,*.xml::'
 set classify+='C  ::*.c++,,*.cpp,,*.cxx,,*.h,,*.cc,,*.c::'
 set classify+='  ::*.coffee::'
+set classify+='  ::*.nix::'
 
 " Unsorted and unconverted
 set classify+='λ  ::*.ml,,*.mli::'