diff --git a/reactos/dll/ntdll/def/ntdll.def b/reactos/dll/ntdll/def/ntdll.def
index cba1d5d70aa..421b819b6f5 100644
--- a/reactos/dll/ntdll/def/ntdll.def
+++ b/reactos/dll/ntdll/def/ntdll.def
@@ -155,6 +155,7 @@ NtOpenThread@16
 NtOpenThreadToken@16
 NtOpenTimer@12
 NtPlugPlayControl@12
+NtPowerInformation@20
 NtPrivilegeCheck@12
 NtPrivilegedServiceAuditAlarm@20
 NtPrivilegeObjectAuditAlarm@24