diff --git a/aider/io.py b/aider/io.py
index 97c3748b3..746544e7a 100644
--- a/aider/io.py
+++ b/aider/io.py
@@ -975,8 +975,7 @@ class InputOutput:
                 return f"terminal-notifier -title 'Aider' -message '{NOTIFICATION_MESSAGE}'"
             # Fall back to osascript
             return (
-                f'osascript -e \'display notification "{NOTIFICATION_MESSAGE}" with title'
-                ' "Aider"\''
+                f'osascript -e \'display notification "{NOTIFICATION_MESSAGE}" with title "Aider"\''
             )
         elif system == "Linux":
             # Check for common Linux notification tools