diff --git a/src/tools/pgindent/typedefs.list b/src/tools/pgindent/typedefs.list
index 85445bbf9a..46a84c5714 100644
--- a/src/tools/pgindent/typedefs.list
+++ b/src/tools/pgindent/typedefs.list
@@ -1231,6 +1231,7 @@ InitSampleScan_function
 InitializeDSMForeignScan_function
 InitializeWorkerForeignScan_function
 InjectionPointCacheEntry
+InjectionPointCallback
 InjectionPointCondition
 InjectionPointConditionType
 InjectionPointEntry