diff --git a/docs/ChangeLog.md b/docs/ChangeLog.md
index 0288b90a..4e18fab8 100644
--- a/docs/ChangeLog.md
+++ b/docs/ChangeLog.md
@@ -338,7 +338,7 @@
 - complete: work around a false warning messages of gawk-4.0.2 `#D1709` 9771693
 - main: work around `XDG_RUNTIME_DIR` of a different user by `su` (reported by zim0369) `#D1712` 8d37048
 - main (`ble/util/readlink`): work around non-standard or missing `readlink` (motivated by peterzky) `#D1720` a41279e
-  - util (`ble/function#pop`): allow popping unset function `#D1834` XXXXXXX
+  - util (`ble/function#pop`): allow popping unset function `#D1834` c0abc95
 - menu (`menu-style:desc`): work around xenl quirks for relative cursor movements (reported by telometto) `#D1728` 3e136a6
 - global: work around the arithmetic syntax error of `10#` in Bash-5.1 `#D1734` 7545ea3
 - global: adjust implementations for Bash 5.2 `patsub_replacement` `#D1738` 4590997
@@ -364,7 +364,7 @@
 - progcomp: work around the cobra V2 description hack (reported by SuperSandro2000) `#D1803` 71d0736
 - complete: work around blocking `_scp_remote_files` and `_dnf` (reported by iantra) `#D1807` a4a779e 46f5c13
 - history: work around broken timestamps in `HISTFILE` (reported by johnyaku) `#D1831` 5ef28eb
-- progcomp: disable `command_not_found_handle` (reported by telometto, wisnoskij) `#D1834` 64d471a d5fe1d1
+- progcomp: disable `command_not_found_handle` (reported by telometto, wisnoskij) `#D1834` 64d471a d5fe1d1 XXXXXXX
 
 ## Internal changes and fixes
 
diff --git a/lib/core-complete.sh b/lib/core-complete.sh
index 862c53ea..67920ba7 100644
--- a/lib/core-complete.sh
+++ b/lib/core-complete.sh
@@ -3671,7 +3671,7 @@ function ble/complete/progcomp/.try-load-completion {
   ble/function#push command_not_found_handle
   __load_completion "$1" < /dev/null &>/dev/null; local ext=$?
   ble/function#pop command_not_found_handle
-  ((ext==0)) || return "$1"
+  ((ext==0)) || return "$ext"
 
   builtin complete -p -- "$1" &>/dev/null
 }
diff --git a/note.txt b/note.txt
index a78aae37..130fa515 100644
--- a/note.txt
+++ b/note.txt
@@ -6595,6 +6595,11 @@ bash_tips
       おける変更である。この時に一応 function#pop に対しても対応する変更がなさ
       れているが、それが不完全だったという事。
 
+    * 2022-07-10 "bash: return: echo: numeric argument required"
+      https://github.com/akinomyoga/ble.sh/issues/208
+
+      これはミスだ。修正する。
+
 2022-07-07
 
   * main: fd 0, 1 が TTY かどうかのチェックが常に偽になっている [#D1833]