CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e3cd0fe..64c18a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,7 @@ if (CMAKE_COMPILER_IS_GNUCXX)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align") 
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -fno-check-new -fno-common")
-  add_definitions(-D_BSD_SOURCE)
+  add_definitions(-D_DEFAULT_SOURCE)
 endif (CMAKE_COMPILER_IS_GNUCXX)
 
 # Enable CPack