diff --git a/.config/bash/complete_alias b/.config/bash/complete_alias
index f70c08d..af5fb9e 100644
--- a/.config/bash/complete_alias
+++ b/.config/bash/complete_alias
@@ -375,7 +375,7 @@ __compal__split_cmd_line() {
             fi
         elif [[ "${sta[-1]}" == ')' ]]; then
             if [[ ')' == "${str:j:1}" ]]; then
-                unset sta[-1]
+                unset 'sta[-1]'
             elif [[ '$(' == "${str:j:2}" ]]; then
                 sta+=( ')' )
                 (( j++ ))
@@ -394,7 +394,7 @@ __compal__split_cmd_line() {
             fi
         elif [[ "${sta[-1]}" == '}' ]]; then
             if [[ '}' == "${str:j:1}" ]]; then
-                unset sta[-1]
+                unset 'sta[-1]'
             elif [[ '$(' == "${str:j:2}" ]]; then
                 sta+=( ')' )
                 (( j++ ))
@@ -413,7 +413,7 @@ __compal__split_cmd_line() {
             fi
         elif [[ "${sta[-1]}" == '`' ]]; then
             if [[ '`' == "${str:j:1}" ]]; then
-                unset sta[-1]
+                unset 'sta[-1]'
             elif [[ '$(' == "${str:j:2}" ]]; then
                 sta+=( ')' )
                 (( j++ ))
@@ -430,11 +430,11 @@ __compal__split_cmd_line() {
             fi
         elif [[ "${sta[-1]}" == "'" ]]; then
             if [[ "'" == "${str:j:1}" ]]; then
-                unset sta[-1]
+                unset 'sta[-1]'
             fi
         elif [[ "${sta[-1]}" == '"' ]]; then
             if [[ '"' == "${str:j:1}" ]]; then
-                unset sta[-1]
+                unset 'sta[-1]'
             elif [[ '$(' == "${str:j:2}" ]]; then
                 sta+=( ')' )
                 (( j++ ))