diff --git a/common/src/pfq-rwlock.C b/common/src/pfq-rwlock.C
index eaf0c2812e..a5d1c8d85d 100644
--- a/common/src/pfq-rwlock.C
+++ b/common/src/pfq-rwlock.C
@@ -80,7 +80,7 @@ pfq_rwlock_init(pfq_rwlock_t &l)
 void
 pfq_rwlock_read_lock(pfq_rwlock_t &l)
 {
-  race_detector_fake_lock_acquire(&l);
+  race_detector_fake_lock_acquire(&l.wtail);
   uint32_t ticket = atomic_fetch_add_explicit(&l.rin, READER_INCREMENT, std::memory_order_acq_rel);
 
   if (ticket & WRITER_PRESENT) {
@@ -102,7 +102,7 @@ pfq_rwlock_read_unlock(pfq_rwlock_t &l)
     if (ticket == atomic_load_explicit(&l.last, std::memory_order_acquire))
       atomic_store_explicit(&l.whead->blocked, false, std::memory_order_release);
   }
-  race_detector_fake_lock_release(&l);
+  race_detector_fake_lock_release(&l.wtail);
 }