diff --git a/misc/quitcd/quitcd.bash b/misc/quitcd/quitcd.bash
index 15b9f422..e303b4cd 100644
--- a/misc/quitcd/quitcd.bash
+++ b/misc/quitcd/quitcd.bash
@@ -1,6 +1,6 @@
 n()
 {
-    NNN_TMPFILE=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd
+    export NNN_TMPFILE=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd
 
     nnn "$@"
 
diff --git a/misc/quitcd/quitcd.fish b/misc/quitcd/quitcd.fish
index 7bc67fe4..93a9e228 100644
--- a/misc/quitcd/quitcd.fish
+++ b/misc/quitcd/quitcd.fish
@@ -4,7 +4,7 @@
 
 function n --description 'support nnn quit and change directory'
     # NOTE: set NNN_TMPFILE correctly if you use 'XDG_CONFIG_HOME'
-    set NNN_TMPFILE ~/.config/nnn/.lastd
+    set -x NNN_TMPFILE ~/.config/nnn/.lastd
 
     nnn $argv
 
diff --git a/misc/quitcd/quitcd.zsh b/misc/quitcd/quitcd.zsh
index 207aa56b..c55b321d 100644
--- a/misc/quitcd/quitcd.zsh
+++ b/misc/quitcd/quitcd.zsh
@@ -1,6 +1,6 @@
 n()
 {
-    NNN_TMPFILE=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd
+    export NNN_TMPFILE=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd
 
     nnn "$@"