diff --git a/example/Jamfile b/example/Jamfile
index d36bb76a..f57f7a32 100644
--- a/example/Jamfile
+++ b/example/Jamfile
@@ -20,6 +20,7 @@ rule regex-test-run ( sources + : input * )
 			<sysinclude>../../../
 			<define>BOOST_REGEX_NO_LIB=1
 			<define>BOOST_REGEX_STATIC_LINK=1
+			<threading>multi
          :  # test name
         ] ;
 }
@@ -44,3 +45,4 @@ test-suite regex-examples :
 ;
 
 
+