1 files changed, 2 insertions, 3 deletions
diff --git a/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs b/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
index 3f517514a3..288680792a 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
@@ -42,8 +42,7 @@ namespace Grpc.Core.Internal
     [StructLayout(LayoutKind.Sequential)]
     internal struct CompletionQueueEvent
     {
-        [DllImport("grpc_csharp_ext.dll")]
-        static extern int grpcsharp_sizeof_grpc_event();
+        static readonly NativeMethods Native = NativeMethods.Get();
 
         public GRPCCompletionType type;
         public int success;
@@ -53,7 +52,7 @@ namespace Grpc.Core.Internal
         {
             get
             {
-                return grpcsharp_sizeof_grpc_event();
+                return Native.grpcsharp_sizeof_grpc_event();
             }
         }
     }