diff --git a/reactos/subsys/win32k/ntuser/clipboard.c b/reactos/subsys/win32k/ntuser/clipboard.c
index e7103758840..f6c23314c16 100644
--- a/reactos/subsys/win32k/ntuser/clipboard.c
+++ b/reactos/subsys/win32k/ntuser/clipboard.c
@@ -61,7 +61,7 @@ NtUserOpenClipboard(HWND hWnd, DWORD Unknown1)
    ClipboardThread = PsGetWin32Thread();
    return TRUE;
 #else
-   UNIMPLEMENTED
+   DPRINT1("NtUserOpenClipboard is unimplemented\n");
    return FALSE;
 #endif
 }