diff --git a/runprebuild.bat b/runprebuild.bat
index 8a2c21a43c..ba0cd64da4 100755
--- a/runprebuild.bat
+++ b/runprebuild.bat
@@ -1,2 +1,4 @@
 bin\Prebuild.exe /target nant
-bin\Prebuild.exe /target vs2005
\ No newline at end of file
+bin\Prebuild.exe /target vs2005
+
+echo C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\msbuild opensim.sln > compile.bat
diff --git a/runprebuild2008.bat b/runprebuild2008.bat
index f5b2d478b4..8927e9a7ee 100755
--- a/runprebuild2008.bat
+++ b/runprebuild2008.bat
@@ -1,2 +1,4 @@
 bin\Prebuild.exe /target nant
-bin\Prebuild.exe /target vs2008
\ No newline at end of file
+bin\Prebuild.exe /target vs2008
+echo C:\WINDOWS\Microsoft.NET\Framework\v3.5\msbuild opensim.sln > compile.bat
+