diff --git a/bin/autojump.fish b/bin/autojump.fish
index b70c140..2cf5001 100644
--- a/bin/autojump.fish
+++ b/bin/autojump.fish
@@ -13,7 +13,7 @@ complete -x -c j -a '(autojump --complete (commandline -t))'
 # set error file location
 if test (uname) = "Darwin"
     set -x AUTOJUMP_ERROR_PATH ~/Library/autojump/errors.log
-else if test -d $XDG_DATA_HOME
+else if test -d "$XDG_DATA_HOME"
     set -x AUTOJUMP_ERROR_PATH $XDG_DATA_HOME/autojump/errors.log
 else
     set -x AUTOJUMP_ERROR_PATH ~/.local/share/autojump/errors.log