diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 0692048..a71d123 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -24,6 +24,8 @@ project boost/coroutine2/test
       <toolset>clang,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
       <link>static
       <threading>multi
+      <optimization>speed
+      <variant>release
     ;
 
 test-suite minimal :