diff --git a/packages/grpc-js/package.json b/packages/grpc-js/package.json
index 46dc7efd7..fd8dd7abf 100644
--- a/packages/grpc-js/package.json
+++ b/packages/grpc-js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@grpc/grpc-js",
-  "version": "1.12.2",
+  "version": "1.12.3",
   "description": "gRPC Library for Node - pure JS implementation",
   "homepage": "https://grpc.io/",
   "repository": "https://github.com/grpc/grpc-node/tree/master/packages/grpc-js",
diff --git a/packages/grpc-js/src/transport.ts b/packages/grpc-js/src/transport.ts
index 063fc86d9..7a82fd3cc 100644
--- a/packages/grpc-js/src/transport.ts
+++ b/packages/grpc-js/src/transport.ts
@@ -227,6 +227,11 @@ class Http2Transport implements Transport {
       this.handleDisconnect();
     });
 
+    session.socket.once('close', () => {
+      this.trace('connection closed');
+      this.handleDisconnect();
+    });
+
     if (logging.isTracerEnabled(TRACER_NAME)) {
       session.on('remoteSettings', (settings: http2.Settings) => {
         this.trace(