diff --git a/spec/special_characters_spec.rb b/spec/special_characters_spec.rb
index 21f681b..ce7810b 100644
--- a/spec/special_characters_spec.rb
+++ b/spec/special_characters_spec.rb
@@ -51,5 +51,10 @@ describe 'a special character in the buffer' do
       session.send_string('echo "^A')
       wait_for { session.content }.to eq('echo "^A"')
     end
+
+    with_history('-foo() {}') do
+      session.send_string('-')
+      wait_for { session.content }.to eq('-foo() {}')
+    end
   end
 end
diff --git a/spec/terminal_session.rb b/spec/terminal_session.rb
index a089d27..8cbbac0 100644
--- a/spec/terminal_session.rb
+++ b/spec/terminal_session.rb
@@ -26,7 +26,7 @@ class TerminalSession
   end
 
   def send_string(str)
-    tmux_command("send-keys -t 0 -l '#{str.gsub("'", "\\'")}'")
+    tmux_command("send-keys -t 0 -l -- '#{str.gsub("'", "\\'")}'")
 
     self
   end
diff --git a/src/async.zsh b/src/async.zsh
index 3c3cf84..124c9ac 100644
--- a/src/async.zsh
+++ b/src/async.zsh
@@ -55,7 +55,7 @@ _zsh_autosuggest_async_response() {
 	local suggestion
 
 	zpty -rt $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME suggestion '*'$'\0' 2>/dev/null
-	zle autosuggest-suggest "${suggestion%%$'\0'##}"
+	zle autosuggest-suggest -- "${suggestion%%$'\0'##}"
 }
 
 _zsh_autosuggest_async_pty_create() {
diff --git a/zsh-autosuggestions.zsh b/zsh-autosuggestions.zsh
index 0a33006..34ca080 100644
--- a/zsh-autosuggestions.zsh
+++ b/zsh-autosuggestions.zsh
@@ -550,7 +550,7 @@ _zsh_autosuggest_async_response() {
 	local suggestion
 
 	zpty -rt $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME suggestion '*'$'\0' 2>/dev/null
-	zle autosuggest-suggest "${suggestion%%$'\0'##}"
+	zle autosuggest-suggest -- "${suggestion%%$'\0'##}"
 }
 
 _zsh_autosuggest_async_pty_create() {