diff --git a/lslsh.py b/lslsh.py
index 1334c4a..718a64e 100644
--- a/lslsh.py
+++ b/lslsh.py
@@ -24,6 +24,9 @@ class Shell(cmd.Cmd):
             return "exit"
         return line
 
+    def emptyline(self):
+        return None
+
     def send_cmd(self, url: str, cmd: str) -> Dict:
         data = {"secret_key": SECRET_KEY,
                 "command": cmd}