diff --git a/reactos/dll/win32/user32/user32.pspec b/reactos/dll/win32/user32/user32.pspec
index af942627a08..edfc78eaf33 100644
--- a/reactos/dll/win32/user32/user32.pspec
+++ b/reactos/dll/win32/user32/user32.pspec
@@ -308,7 +308,7 @@
 @ stdcall GetLastActivePopup(long)
 @ stdcall GetLastInputInfo(ptr)
 @ stdcall GetLayeredWindowAttributes(long ptr ptr ptr) NtUserGetLayeredWindowAttributes
-; @ stub GetListBoxInfo
+@ stdcall GetListBoxInfo(long) NtUserGetListBoxInfo
 @ stdcall GetMenu(long)
 @ stdcall GetMenuBarInfo(long long long ptr) NtUserGetMenuBarInfo
 @ stdcall GetMenuCheckMarkDimensions()