diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index cf5d904..8178539 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -126,7 +126,8 @@ run test_time_generator_v1_2.cpp
         <toolset>gcc-4.8,<address-model>32:<build>no ;
 
 run test_time_generator_v1_3.cpp
-  : : : <toolset>gcc:<library>atomic <toolset>clang-linux:<library>atomic
+  : : : <threading>multi
+        <toolset>gcc:<library>atomic <toolset>clang-linux:<library>atomic
         <toolset>gcc-4.8,<address-model>32:<build>no ;
 
 run test_time_generator_v6.cpp
@@ -138,7 +139,8 @@ run test_time_generator_v6_2.cpp
         <toolset>gcc-4.8,<address-model>32:<build>no ;
 
 run test_time_generator_v6_3.cpp
-  : : : <toolset>gcc:<library>atomic <toolset>clang-linux:<library>atomic
+  : : : <threading>multi
+        <toolset>gcc:<library>atomic <toolset>clang-linux:<library>atomic
         <toolset>gcc-4.8,<address-model>32:<build>no ;
 
 run test_time_generator_v7.cpp ;