diff --git a/reactos/include/ndk/psfuncs.h b/reactos/include/ndk/psfuncs.h
index 5e3fe3746e2..327af5a99b6 100644
--- a/reactos/include/ndk/psfuncs.h
+++ b/reactos/include/ndk/psfuncs.h
@@ -85,6 +85,13 @@ PsGetThreadTeb(
     IN PETHREAD Thread
 );
 
+NTKERNELAPI
+HANDLE
+NTAPI
+PsGetThreadId(
+    IN PETHREAD Thread
+);
+
 NTKERNELAPI
 BOOLEAN
 NTAPI