diff --git a/reactos/include/ndk/psfuncs.h b/reactos/include/ndk/psfuncs.h
index 044e87a88fd..f04d3f75828 100644
--- a/reactos/include/ndk/psfuncs.h
+++ b/reactos/include/ndk/psfuncs.h
@@ -78,6 +78,13 @@ PsGetThreadWin32Thread(
     PETHREAD Thread
 );
 
+NTKERNELAPI
+PTEB
+NTAPI
+PsGetThreadTeb(
+    IN PETHREAD Thread
+);
+
 NTKERNELAPI
 BOOLEAN
 NTAPI