1 files changed, 11 insertions, 1 deletions
diff --git a/src/csharp/Grpc.Core/Server.cs b/src/csharp/Grpc.Core/Server.cs
index 152cc2176c..cafdb3b663 100644
--- a/src/csharp/Grpc.Core/Server.cs
+++ b/src/csharp/Grpc.Core/Server.cs
@@ -75,10 +75,20 @@ namespace Grpc.Core
         }
 
         // only call before Start()
-        public int AddPort(string addr) {
+        public int AddPort(string addr)
+        {
             return handle.AddPort(addr);
         }
 
+        // only call before Start()
+        public int AddPort(string addr, ServerCredentials credentials)
+        {
+            using (var nativeCredentials = credentials.ToNativeCredentials())
+            {
+                return handle.AddPort(addr, nativeCredentials);
+            }
+        }
+
         public void Start()
         {
             handle.Start();