diff --git a/vlib/sync/channel_select_6_test.v b/vlib/sync/channel_select_6_test.v
index 9b5f2d42a7..deb22cdf14 100644
--- a/vlib/sync/channel_select_6_test.v
+++ b/vlib/sync/channel_select_6_test.v
@@ -1,3 +1,5 @@
+// vtest retry: 4
+
 // This test case runs concurrent 3 instances of `do_select` that
 // communicate with 6 other threads doing send and receive operations.
 // There are buffered and unbuffered channels - handled by one or two