diff --git a/conf.d/abbr_tips.fish b/conf.d/abbr_tips.fish
index a704ec9..20126a1 100644
--- a/conf.d/abbr_tips.fish
+++ b/conf.d/abbr_tips.fish
@@ -5,8 +5,8 @@ bind \r '_abbr_tips_bind_newline'
 set -l uninstall (basename (status -f) .fish){_uninstall}
 
 set -g _abbr_tips_used 0
-if ! set -q ABBR_TIPS_PROMPT; set -Ux ABBR_TIPS_PROMPT "\n💡 \e[1m{{ .abbr }}\e[0m => {{ .cmd }}"; end
-if ! set -q ABBR_TIPS_AUTO_UPDATE; set -Ux ABBR_TIPS_AUTO_UPDATE 'background'; end
+if ! set -q ABBR_TIPS_PROMPT; set -gx ABBR_TIPS_PROMPT "\n💡 \e[1m{{ .abbr }}\e[0m => {{ .cmd }}"; end
+if ! set -q ABBR_TIPS_AUTO_UPDATE; set -gx ABBR_TIPS_AUTO_UPDATE 'background'; end
 
 function abbr_fish --on-event fish_postexec -d "Abbreviation reminder for the current command"
     set -l command (string split ' ' "$argv")
diff --git a/functions/abbr_tips_update.fish b/functions/abbr_tips_update.fish
index 8401b5c..3c239de 100644
--- a/functions/abbr_tips_update.fish
+++ b/functions/abbr_tips_update.fish
@@ -1,8 +1,8 @@
 function abbr_tips_update -d "Update abbreviations variables for fish-abbr-tips"
     set -e _ABBR_TIPS_KEYS
     set -e _ABBR_TIPS_VALUES
-    set -Ux _ABBR_TIPS_KEYS
-    set -Ux _ABBR_TIPS_VALUES
+    set -gx _ABBR_TIPS_KEYS
+    set -gx _ABBR_TIPS_VALUES
 
     set -l i 1
     set -l abb (string replace -r '.*-- ' '' (abbr -s))