diff --git a/Jamfile.in b/Jamfile.in
index 685f1c013..14dea1198 100644
--- a/Jamfile.in
+++ b/Jamfile.in
@@ -42,6 +42,7 @@ MsvcGenSubDir TOP msvc : common ;
 MsvcGenSubDir TOP msvc 6 : 6 ;
 MsvcGenSubDir TOP msvc 7 : 7 ;
 MsvcGenSubDir TOP msvc 71 : 71 ;
+MsvcGenSubDir TOP msvc sn71 : sn71 ;
 MsvcGenSubDir TOP msvc 8 : 8 ;
 MsvcGenTemplateDir TOP mk msvcgen ;
 MsvcGenWorkspace bullet ;