diff --git a/indra/cmake/Boost.cmake b/indra/cmake/Boost.cmake
index d239e1f3b0a33f6cbb045b0aa8129e6f69b27cde..88af9a1513927075cc1dcdca5d5b031b22d4b26b 100755
--- a/indra/cmake/Boost.cmake
+++ b/indra/cmake/Boost.cmake
@@ -126,5 +126,6 @@ endif (USESYSTEMLIBS)
 
 if (LINUX)
     set(BOOST_SYSTEM_LIBRARY ${BOOST_SYSTEM_LIBRARY} rt)
+    set(BOOST_SYSTEM_LIBRARY ${BOOST_THREAD_LIBRARY} rt)
 endif (LINUX)