diff --git a/src/strategies/completion.zsh b/src/strategies/completion.zsh
index a23b630..847f22b 100644
--- a/src/strategies/completion.zsh
+++ b/src/strategies/completion.zsh
@@ -111,7 +111,8 @@ _zsh_autosuggest_capture_completion() {
 }
 
 _zsh_autosuggest_strategy_completion() {
-	typeset -g suggestion completion
+	typeset -g suggestion
+	local completion
 
 	# Fetch the first completion result
 	_zsh_autosuggest_capture_completion "$1"
diff --git a/zsh-autosuggestions.zsh b/zsh-autosuggestions.zsh
index 02d4b2f..823f541 100644
--- a/zsh-autosuggestions.zsh
+++ b/zsh-autosuggestions.zsh
@@ -610,7 +610,8 @@ _zsh_autosuggest_capture_completion() {
 }
 
 _zsh_autosuggest_strategy_completion() {
-	typeset -g suggestion completion
+	typeset -g suggestion
+	local completion
 
 	# Fetch the first completion result
 	_zsh_autosuggest_capture_completion "$1"