diff --git a/squeakserver/common/rpc/squeak_server.proto b/squeakserver/common/rpc/squeak_server.proto
index 5b4fb2fe..9695db23 100644
--- a/squeakserver/common/rpc/squeak_server.proto
+++ b/squeakserver/common/rpc/squeak_server.proto
@@ -117,5 +117,5 @@ message SqueakBuyOffer {
     string host = 7;
 
     /// The port of the seller lightning node
-    string port = 8;
+    int32 port = 8;
 }
diff --git a/squeakserver/server/main.py b/squeakserver/server/main.py
index cbe404e2..73ff291b 100644
--- a/squeakserver/server/main.py
+++ b/squeakserver/server/main.py
@@ -41,7 +41,7 @@ def load_lightning_host_port(config) -> LNDLightningClient:
     lnd_ip_address = socket.gethostbyname(
         config['lnd']['host'],
     )
-    lnd_port = config['lnd']['port']
+    lnd_port = int(config['lnd']['port'])
     return LightningAddressHostPort(
         lnd_ip_address,
         lnd_port,