diff --git a/vnpy/gateway/ib/ib_gateway.py b/vnpy/gateway/ib/ib_gateway.py
index e1b4b191..1b2d23f0 100644
--- a/vnpy/gateway/ib/ib_gateway.py
+++ b/vnpy/gateway/ib/ib_gateway.py
@@ -77,7 +77,7 @@ EXCHANGE_VT2IB = {
     EXCHANGE_IDEALPRO: "IDEALPRO",
     EXCHANGE_CME: "CME",
     EXCHANGE_ICE: "ICE",
-    EXCHANGE_HKEX: "HKEX",
+    EXCHANGE_HKEX: "SEHK",
     EXCHANGE_HKFE: "HKFE"
 }
 EXCHANGE_IB2VT = {v: k for k, v in EXCHANGE_VT2IB.items()}