diff --git a/peertalk/PTUSBHub.m b/peertalk/PTUSBHub.m
index eb8a838..cad08e4 100644
--- a/peertalk/PTUSBHub.m
+++ b/peertalk/PTUSBHub.m
@@ -352,6 +352,7 @@ - (BOOL)openOnQueue:(dispatch_queue_t)queue error:(NSError**)error onEnd:(void(^
   socklen_t socklen = sizeof(addr);
   if (connect(fd, (struct sockaddr*)&addr, socklen) == -1) {
     if (error) *error = [[NSError alloc] initWithDomain:NSPOSIXErrorDomain code:errno userInfo:nil];
+    close(fd);
     return NO;
   }