diff --git a/src/core/lib/promise/party.cc b/src/core/lib/promise/party.cc
index b951e4d66ec..c8bde2d198f 100644
--- a/src/core/lib/promise/party.cc
+++ b/src/core/lib/promise/party.cc
@@ -78,7 +78,7 @@ class Party::Handle final : public Wakeable {
   }
 
   void WakeupGeneric(WakeupMask wakeup_mask,
-                     void (Party::* wakeup_method)(WakeupMask))
+                     void (Party::*wakeup_method)(WakeupMask))
       ABSL_LOCKS_EXCLUDED(mu_) {
     mu_.Lock();
     // Note that activity refcount can drop to zero, but we could win the lock