diff --git a/src/openclose.c b/src/openclose.c
index 3a1a17b941..abd977a72f 100644
--- a/src/openclose.c
+++ b/src/openclose.c
@@ -68,6 +68,7 @@ static void clear_after_fork(void)
 	clear_events_page();
 	fmm_clear_all_mem();
 	destroy_device_debugging_memory();
+	close(kfd_fd);
 	kfd_open_count = 0;
 }