diff --git a/Sources/GRPCNIOTransportHTTP2Posix/HTTP2ServerTransport+Posix.swift b/Sources/GRPCNIOTransportHTTP2Posix/HTTP2ServerTransport+Posix.swift
index e397eca..093fc38 100644
--- a/Sources/GRPCNIOTransportHTTP2Posix/HTTP2ServerTransport+Posix.swift
+++ b/Sources/GRPCNIOTransportHTTP2Posix/HTTP2ServerTransport+Posix.swift
@@ -80,8 +80,12 @@ extension HTTP2ServerTransport {
         let serverChannel = try await ServerBootstrap(group: eventLoopGroup)
           .serverChannelOption(.socketOption(.so_reuseaddr), value: 1)
           .serverChannelInitializer { channel in
-            let quiescingHandler = serverQuiescingHelper.makeServerChannelHandler(channel: channel)
-            return channel.pipeline.addHandler(quiescingHandler)
+            return channel.eventLoop.makeCompletedFuture {
+              let quiescingHandler = serverQuiescingHelper.makeServerChannelHandler(
+                channel: channel
+              )
+              return try channel.pipeline.syncOperations.addHandler(quiescingHandler)
+            }
           }
           .bind(to: address) { channel in
             channel.eventLoop.makeCompletedFuture {
diff --git a/Sources/GRPCNIOTransportHTTP2TransportServices/HTTP2ServerTransport+TransportServices.swift b/Sources/GRPCNIOTransportHTTP2TransportServices/HTTP2ServerTransport+TransportServices.swift
index 3b5bf62..a2829bd 100644
--- a/Sources/GRPCNIOTransportHTTP2TransportServices/HTTP2ServerTransport+TransportServices.swift
+++ b/Sources/GRPCNIOTransportHTTP2TransportServices/HTTP2ServerTransport+TransportServices.swift
@@ -58,8 +58,12 @@ extension HTTP2ServerTransport {
           try await bootstrap
           .serverChannelOption(.socketOption(.so_reuseaddr), value: 1)
           .serverChannelInitializer { channel in
-            let quiescingHandler = serverQuiescingHelper.makeServerChannelHandler(channel: channel)
-            return channel.pipeline.addHandler(quiescingHandler)
+            return channel.eventLoop.makeCompletedFuture {
+              let quiescingHandler = serverQuiescingHelper.makeServerChannelHandler(
+                channel: channel
+              )
+              return try channel.pipeline.syncOperations.addHandler(quiescingHandler)
+            }
           }
           .bind(to: address) { channel in
             channel.eventLoop.makeCompletedFuture {