diff --git a/examples/app/app.nim b/examples/app/app.nim
index 41f8f24..45451e9 100644
--- a/examples/app/app.nim
+++ b/examples/app/app.nim
@@ -232,6 +232,7 @@ proc runApp(serverHostname: string, serverPort: Port, peerId: string,
       let msg = await sock.recv(4)
       echo "received message: ", msg
       await sock.send("pong")
+    sock.close()
 
   else:
     # initiate a new connection
@@ -243,6 +244,7 @@ proc runApp(serverHostname: string, serverPort: Port, peerId: string,
     await sock.send("ping")
     let msg = await sock.recv(4)
     echo "received message: ", msg
+    sock.close()
     
 proc main() =
   if paramCount() < 3 or paramCount() > 4: