diff --git a/libkqueue/src/linux/read.c b/libkqueue/src/linux/read.c

index 2102631..1dc18af 100644

--- a/libkqueue/src/linux/read.c

+++ b/libkqueue/src/linux/read.c

@@ -204,7 +204,7 @@ evfilt_read_knote_delete(struct filter *filt, struct knote *kn)

     if (kn->kev.flags & EV_DISABLE)

         return (0);

-    if ((kn->kn_flags & KNFL_REGULAR_FILE && kn->kdata.kn_eventfd != -1) < 0) {

+    if (kn->kn_flags & KNFL_REGULAR_FILE && kn->kdata.kn_eventfd != -1) {

         if (epoll_ctl(kn->kn_epollfd, EPOLL_CTL_DEL, kn->kdata.kn_eventfd, NULL) < 0) {

             dbg_perror("epoll_ctl(2)");

             return (-1);