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-rw-r--r--rts/Schedule.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/rts/Schedule.c b/rts/Schedule.c
index 685862a08b..0cd0ff2876 100644
--- a/rts/Schedule.c
+++ b/rts/Schedule.c
@@ -2565,7 +2565,8 @@ resumeThread (void *task_)
traceEventRunThread(cap, tso);
/* Reset blocking status */
- tso->why_blocked = NotBlocked;
+ tso->why_blocked = NotBlocked;
+ tso->block_info.closure = (StgClosure *)END_TSO_QUEUE;
if ((tso->flags & TSO_BLOCKEX) == 0) {
// avoid locking the TSO if we don't have to