diff --git a/src/fd.c b/src/fd.c
index 7fdd56b..314e10f 100644
--- a/src/fd.c
+++ b/src/fd.c
@@ -411,6 +411,7 @@
 static inline void fdlist_process_cached_events(volatile struct fdlist *fdlist)
 {
 	int fd, old_fd, e;
+	unsigned long locked;
 
 	for (old_fd = fd = fdlist->first; fd != -1; fd = fdtab[fd].cache.next) {
 		if (fd == -2) {
@@ -427,7 +428,8 @@
 			continue;
 
 		HA_ATOMIC_OR(&fd_cache_mask, tid_bit);
-		if (atleast2(fdtab[fd].thread_mask) && HA_SPIN_TRYLOCK(FD_LOCK, &fdtab[fd].lock)) {
+		locked = atleast2(fdtab[fd].thread_mask);
+		if (locked && HA_SPIN_TRYLOCK(FD_LOCK, &fdtab[fd].lock)) {
 			activity[tid].fd_lock++;
 			continue;
 		}
@@ -442,13 +444,13 @@
 			fdtab[fd].ev |= FD_POLL_OUT;
 
 		if (fdtab[fd].iocb && fdtab[fd].owner && fdtab[fd].ev) {
-			if (atleast2(fdtab[fd].thread_mask))
+			if (locked)
 				HA_SPIN_UNLOCK(FD_LOCK, &fdtab[fd].lock);
 			fdtab[fd].iocb(fd);
 		}
 		else {
 			fd_release_cache_entry(fd);
-			if (atleast2(fdtab[fd].thread_mask))
+			if (locked)
 				HA_SPIN_UNLOCK(FD_LOCK, &fdtab[fd].lock);
 		}
 	}