diff --git a/monitor/fds.c b/monitor/fds.c
index ffe206a968..f9465ce53f 100644
--- a/monitor/fds.c
+++ b/monitor/fds.c
@@ -412,6 +412,12 @@ static bool monitor_fdset_flags_match(int flags, int fd_flags)
 
     if ((flags & O_ACCMODE) == (fd_flags & O_ACCMODE)) {
         match = true;
+
+#ifdef O_DIRECT
+        if ((flags & O_DIRECT) != (fd_flags & O_DIRECT)) {
+            match = false;
+        }
+#endif
     }
 
     return match;