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-rw-r--r--thread_sync.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/thread_sync.c b/thread_sync.c
index 748ccbd558..94e4d35395 100644
--- a/thread_sync.c
+++ b/thread_sync.c
@@ -34,7 +34,7 @@ sync_wakeup(struct list_head *head, long max)
}
if (cur->th->status != THREAD_KILLED) {
- if (cur->th->scheduler != Qnil) {
+ if (cur->th->scheduler == Qnil) {
rb_threadptr_interrupt(cur->th);
cur->th->status = THREAD_RUNNABLE;
}