diff --git a/test/test-ctl-fuzz.c b/test/test-ctl-fuzz.c
index 1e68c7e..9b45909 100644
--- a/test/test-ctl-fuzz.c
+++ b/test/test-ctl-fuzz.c
@@ -62,7 +62,7 @@ int main(void) {
       SOCKET sock = sockets[i];
       struct epoll_event ev_in;
 
-      ev_in.events = rand() & 0xff | EPOLLONESHOT;
+      ev_in.events = (rand() & 0xff) | EPOLLONESHOT;
       ev_in.data.u64 = 42;
 
       r = epoll_ctl(epfd, EPOLL_CTL_MOD, sock, &ev_in);
diff --git a/test/test-udp-pings.c b/test/test-udp-pings.c
index b628ccf..90b2b7d 100644
--- a/test/test-udp-pings.c
+++ b/test/test-udp-pings.c
@@ -140,7 +140,7 @@ int main(void) {
 
         pings_sent++;
 
-        uint32_t rev = rand() & 0xff | EPOLLOUT | EPOLLONESHOT;
+        uint32_t rev = EPOLLOUT | EPOLLONESHOT;
         struct epoll_event e;
         e.data.sock = sock;
         e.events = rev;