diff --git a/include/swift/ABI/MetadataValues.h b/include/swift/ABI/MetadataValues.h
index d16f44e075496..e2e1c45a9b43b 100644
--- a/include/swift/ABI/MetadataValues.h
+++ b/include/swift/ABI/MetadataValues.h
@@ -1745,7 +1745,7 @@ namespace SpecialPointerAuthDiscriminators {
   const uint16_t AsyncContextParent = 0xbda2; // = 48546
   const uint16_t AsyncContextResume = 0xd707; // = 55047
   const uint16_t AsyncContextYield = 0xe207; // = 57863
-  const uint16_t CancellationNotificationFunction = 0x1933; // = 6451
+  const uint16_t CancellationNotificationFunction = 0x2E3F; // = 11839 (TaskPriority, TaskPriority) -> Void
   const uint16_t EscalationNotificationFunction = 0x7861; // = 30817
   const uint16_t AsyncThinNullaryFunction = 0x0f08; // = 3848
   const uint16_t AsyncFutureFunction = 0x720f; // = 29199
diff --git a/stdlib/public/Concurrency/Task.cpp b/stdlib/public/Concurrency/Task.cpp
index 8fcf079de8c89..25e9a590ec71e 100644
--- a/stdlib/public/Concurrency/Task.cpp
+++ b/stdlib/public/Concurrency/Task.cpp
@@ -1812,8 +1812,9 @@ swift_task_addPriorityEscalationHandlerImpl(
     void *context) {
   void *allocation =
       swift_task_alloc(sizeof(EscalationNotificationStatusRecord));
+  auto unsigned_handler = swift_auth_code(handler, 11839);
   auto *record = ::new (allocation)
-      EscalationNotificationStatusRecord(handler, context);
+      EscalationNotificationStatusRecord(unsigned_handler, context);
 
   addStatusRecordToSelf(record, [&](ActiveTaskStatus oldStatus, ActiveTaskStatus& newStatus) {
     return true;