diff --git a/src/async.zsh b/src/async.zsh
index 2e23fb6..566a81a 100644
--- a/src/async.zsh
+++ b/src/async.zsh
@@ -10,6 +10,8 @@ _zsh_autosuggest_async_fetch_suggestion() {
 
 # Pty is spawned running this function
 _zsh_autosuggest_async_suggestion_server() {
+	emulate -R zsh
+
 	while read -d $'\0' prefix; do
 		# Kill last bg process
 		kill -KILL %1 &>/dev/null
diff --git a/zsh-autosuggestions.zsh b/zsh-autosuggestions.zsh
index f85aac6..d8f1103 100644
--- a/zsh-autosuggestions.zsh
+++ b/zsh-autosuggestions.zsh
@@ -487,6 +487,8 @@ _zsh_autosuggest_async_fetch_suggestion() {
 
 # Pty is spawned running this function
 _zsh_autosuggest_async_suggestion_server() {
+	emulate -R zsh
+
 	while read -d $'\0' prefix; do
 		# Kill last bg process
 		kill -KILL %1 &>/dev/null