diff --git a/reactos/dll/win32/newdev/wizard.c b/reactos/dll/win32/newdev/wizard.c
index 83d57ea268e..81f06f9e6e9 100644
--- a/reactos/dll/win32/newdev/wizard.c
+++ b/reactos/dll/win32/newdev/wizard.c
@@ -1302,7 +1302,7 @@ DisplayWizard(
     psp.dwFlags = PSP_DEFAULT | PSP_HIDEHEADER | PSP_USETITLE;
     psp.pfnDlgProc = NeedRebootDlgProc;
     psp.pszTemplate = MAKEINTRESOURCE(IDD_NEEDREBOOT);
-    ahpsp[IDD_NEEDREBOOT-200] = CreatePropertySheetPage(&psp);
+    ahpsp[IDD_NEEDREBOOT-IDD_FIRSTPAGE] = CreatePropertySheetPage(&psp);
 
     /* Create the Finish page */
     psp.dwFlags = PSP_DEFAULT | PSP_HIDEHEADER | PSP_USETITLE;