diff --git a/libc/bionic/pthread_rwlock.cpp b/libc/bionic/pthread_rwlock.cpp
index 6f3c6fe..92134b4 100644
--- a/libc/bionic/pthread_rwlock.cpp
+++ b/libc/bionic/pthread_rwlock.cpp
@@ -247,7 +247,7 @@
     }
   }
 
-  atomic_init(&rwlock->state, 0);
+  atomic_store_explicit(&rwlock->state, 0, memory_order_relaxed);
   rwlock->pending_lock.init(rwlock->pshared);
   return 0;
 }