1 files changed, 2 insertions, 2 deletions
diff --git a/rts/STM.c b/rts/STM.c
index 8b8053688e..cf97e7b648 100644
--- a/rts/STM.c
+++ b/rts/STM.c
@@ -386,11 +386,11 @@ static void unpark_tso(Capability *cap, StgTSO *tso) {
     // future.
     lockTSO(tso);
     if (tso->why_blocked == BlockedOnSTM &&
-        tso->block_info.closure == stg_STM_AWOKEN_closure) {
+        tso->block_info.closure == &stg_STM_AWOKEN_closure) {
       TRACE("unpark_tso already woken up tso=%p", tso);
     } else if (tso -> why_blocked == BlockedOnSTM) {
       TRACE("unpark_tso on tso=%p", tso);
-      tso->block_info.closure = stg_STM_AWOKEN_closure;
+      tso->block_info.closure = &stg_STM_AWOKEN_closure;
       tryWakeupThread(cap,tso);
     } else {
       TRACE("spurious unpark_tso on tso=%p", tso);