diff --git a/rts/.tsan-suppressions b/rts/.tsan-suppressions
index b990c6cfc1e014052bd9b75677f15da0c3dc0a7c..03c48fb4b39e5c5c7d164efcd4bacbaa1f4aede0 100644
--- a/rts/.tsan-suppressions
+++ b/rts/.tsan-suppressions
@@ -7,3 +7,4 @@ race:capability_is_busy
 # This is a benign race during IO manager shutdown (between ioManagerWakeup
 # and GHC.Event.Control.closeControl).
 race:ioManagerWakeup
+race:base_GHCziEventziControl_zdwcloseControl_info