diff --git a/conf.d/xdg-data-dirs.fish b/conf.d/xdg-data-dirs.fish
index 63a5d06..2624e24 100644
--- a/conf.d/xdg-data-dirs.fish
+++ b/conf.d/xdg-data-dirs.fish
@@ -1,5 +1,5 @@
 set uxdd (command -v update-xdg-data-dirs.py)
 
 if test -n "$uxdd" -a -x "$uxdd"
-    set -gx XDG_DATA_DIRS (uxdd)
+    set -gx XDG_DATA_DIRS ($uxdd)
 end