diff --git a/freqtrade/rpc/rpc.py b/freqtrade/rpc/rpc.py
index 69e3d057d..f74d63408 100644
--- a/freqtrade/rpc/rpc.py
+++ b/freqtrade/rpc/rpc.py
@@ -144,7 +144,7 @@ class RPC:
         }
         return val
 
-    def _rpc_trade_status(self, trade_ids=None) -> List[Dict[str, Any]]:
+    def _rpc_trade_status(self, trade_ids: List[int] = []) -> List[Dict[str, Any]]:
         """
         Below follows the RPC backend it is prefixed with rpc_ to raise awareness that it is
         a remotely exposed function
diff --git a/freqtrade/rpc/telegram.py b/freqtrade/rpc/telegram.py
index c310f9803..99f9a8a91 100644
--- a/freqtrade/rpc/telegram.py
+++ b/freqtrade/rpc/telegram.py
@@ -280,9 +280,9 @@ class Telegram(RPCHandler):
 
             # Check if there's at least one numerical ID provided.
             # If so, try to get only these trades.
-            trade_ids = None
+            trade_ids = []
             if context.args and len(context.args) > 0:
-                trade_ids = [i for i in context.args if i.isnumeric()]
+                trade_ids = [int(i) for i in context.args if i.isnumeric()]
 
             results = self._rpc._rpc_trade_status(trade_ids=trade_ids)