diff --git a/03_PrepareBoot.cmd b/03_PrepareBoot.cmd
index 047fef4..82d4352 100644
--- a/03_PrepareBoot.cmd
+++ b/03_PrepareBoot.cmd
@@ -1,4 +1,5 @@
 @echo off
+set SOURCES=c:\TEMP\W10\sources
 
 rem check for the image directory ...
 if NOT EXIST image (
diff --git a/04_PrepareImage.cmd b/04_PrepareImage.cmd
index 519e37a..7875cfb 100644
--- a/04_PrepareImage.cmd
+++ b/04_PrepareImage.cmd
@@ -1,5 +1,7 @@
 @echo off
 set ARG1=null
+set SOURCES=c:\TEMP\W10\sources
+
 IF "%~1" NEQ "" set ARG1=%1
 if /I %ARG1% == /? goto usage