diff --git a/build/CMakeLists.txt b/build/CMakeLists.txt
index a45117a5..ea02f4a6 100644
--- a/build/CMakeLists.txt
+++ b/build/CMakeLists.txt
@@ -75,6 +75,8 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
   list (APPEND SOURCES "../DaemonLinux.cpp")
 elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
   list (APPEND SOURCES "../DaemonLinux.cpp")
+  # "'sleep_for' is not a member of 'std::this_thread'" in gcc 4.7/4.8
+  add_definitions( "-D_GLIBCXX_USE_NANOSLEEP=1" )
 elseif (CMAKE_SYSTEM_NAME STREQUAL "Windows")
   list (APPEND SOURCES "../DaemonWin32.cpp")
 endif ()