diff --git a/src/kernel/libroot/posix/Jamfile b/src/kernel/libroot/posix/Jamfile
index 83c9eb0cdf..6c8eced2b5 100644
--- a/src/kernel/libroot/posix/Jamfile
+++ b/src/kernel/libroot/posix/Jamfile
@@ -24,6 +24,7 @@ SubInclude OBOS_TOP src kernel libroot posix arch ;
 SubInclude OBOS_TOP src kernel libroot posix locale ;
 SubInclude OBOS_TOP src kernel libroot posix malloc ;
 SubInclude OBOS_TOP src kernel libroot posix math ;
+SubInclude OBOS_TOP src kernel libroot posix pthread ;
 SubInclude OBOS_TOP src kernel libroot posix signal ;
 SubInclude OBOS_TOP src kernel libroot posix stdio ;
 SubInclude OBOS_TOP src kernel libroot posix stdlib ;