diff --git a/fish/config.fish b/fish/config.fish
index 8a007e5..288a6d8 100644
--- a/fish/config.fish
+++ b/fish/config.fish
@@ -1,4 +1,8 @@
 # Environment variables
+set -q XDG_CACHE_HOME;  or set -gx XDG_CACHE_HOME  "$HOME/.cache"
+set -q XDG_CONFIG_HOME; or set -gx XDG_CONFIG_HOME "$HOME/.config"
+set -q XDG_DATA_HOME;   or set -gx XDG_DATA_HOME   "$HOME/.local/share"
+
 set -gx BAT_STYLE plain
 set -gx EDITOR nvim
 set -gx LANG en_US.UTF-8