1 files changed, 2 insertions, 2 deletions
diff --git a/bjam b/bjam
index d1ac8a55..2b0232c8 100755
--- a/bjam
+++ b/bjam
@@ -4,8 +4,8 @@ if
   bjam="$(which bjam 2>/dev/null)" && #exists
   [ ${#bjam} != 0 ] && #paranoia about which printing nothing then returning true
   ! grep UFIHGUFIHBDJKNCFZXAEVA "${bjam}" </dev/null >/dev/null && #bjam in path isn't this script
-  "${bjam}" --help >/dev/null 2>/dev/null && #bjam in path isn't broken (i.e. has boost-build)
-  "${bjam}" --version |grep "Boost.Build 201" >/dev/null 2>/dev/null #It's recent enough.  
+  "${bjam}" --sanity-test 2>/dev/null |grep Sane >/dev/null && #The test in jam-files/sanity.jam passes
+  (cd jam-files/fail && ! "${bjam}") >/dev/null #Returns non-zero on failure
 then
   #Delegate to system bjam
   exec "${bjam}" "$@"