diff --git a/sched/sched_util_basic.cpp b/sched/sched_util_basic.cpp
index b85bf8074b..5c721d2592 100644
--- a/sched/sched_util_basic.cpp
+++ b/sched/sched_util_basic.cpp
@@ -232,6 +232,7 @@ int mylockf(int fd) {
 
     // if lock failed, find out why
     errno=0;
+    // coverity[check_return]
     fcntl(fd, F_GETLK, &fl);
     if (fl.l_pid>0) return fl.l_pid;
     return -1;