diff --git a/royalnet/commands/ping.py b/royalnet/commands/ping.py
index 9ecb5a41..87d689e5 100644
--- a/royalnet/commands/ping.py
+++ b/royalnet/commands/ping.py
@@ -1,11 +1,19 @@
-from ..utils import Command, CommandArgs, Call
+import asyncio
+from ..utils import Command, CommandArgs, Call, InvalidInputError
 
 
 class PingCommand(Command):
 
     command_name = "ping"
     command_description = "Ping pong!"
-    command_syntax = ""
+    command_syntax = "[time_to_wait]"
 
     async def common(self, call: Call):
+        try:
+            time = int(call.args[0])
+        except InvalidInputError:
+            time = 0
+        except ValueError:
+            raise InvalidInputError("time_to_wait is not a number")
+        await asyncio.sleep(time)
         await call.reply("🏓 Pong!")