diff --git a/src/highlight.zsh b/src/highlight.zsh
index 273c03d..4dfc660 100644
--- a/src/highlight.zsh
+++ b/src/highlight.zsh
@@ -8,7 +8,9 @@ _zsh_autosuggest_highlight_reset() {
 	typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
 
 	if [[ -n "$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT" ]]; then
-		region_highlight=("${(@)region_highlight:#$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT}")
+		if (( $#region_highlight )); then
+			shift -p region_highlight
+		fi
 		unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
 	fi
 }
diff --git a/zsh-autosuggestions.zsh b/zsh-autosuggestions.zsh
index b19cac7..03100b9 100644
--- a/zsh-autosuggestions.zsh
+++ b/zsh-autosuggestions.zsh
@@ -244,7 +244,9 @@ _zsh_autosuggest_highlight_reset() {
 	typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
 
 	if [[ -n "$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT" ]]; then
-		region_highlight=("${(@)region_highlight:#$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT}")
+		if (( $#region_highlight )); then
+			shift -p region_highlight
+		fi
 		unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
 	fi
 }