diff --git a/Include/SConscript b/Include/SConscript
index 63d1b5f5..98bf95d3 100644
--- a/Include/SConscript
+++ b/Include/SConscript
@@ -13,7 +13,7 @@ includes = Split("""
 	UpgradeDLL.nsh
 	Util.nsh
 	VB6RunTime.nsh
-	WinDef.nsh
+	WinCore.nsh
 	WinMessages.nsh
 	WinVer.nsh
 	WordFunc.nsh