diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c
index ba67cec..b1abe97 100644
--- a/util/qemu-thread-posix.c
+++ b/util/qemu-thread-posix.c
@@ -389,7 +389,7 @@
             /*
              * Leave the event reset and tell qemu_event_set that there
              * are waiters.  No need to retry, because there cannot be
-             * a concurent busy->free transition.  After the CAS, the
+             * a concurrent busy->free transition.  After the CAS, the
              * event will be either set or busy.
              */
             if (atomic_cmpxchg(&ev->value, EV_FREE, EV_BUSY) == EV_SET) {