diff --git a/punchd.nim b/punchd.nim
index 9f124f8..8c35839 100644
--- a/punchd.nim
+++ b/punchd.nim
@@ -64,6 +64,8 @@ proc handleRequest(line: string, unixSock: AsyncSocket) {.async.} =
 
 proc handleRequests(userSock: AsyncSocket) {.async.} =
   while true:
+    if userSock.isClosed:
+      break
     let line = await userSock.recvLine(maxLength = 400)
     if line.len == 0:
       break