diff --git a/CMakeLists.txt b/CMakeLists.txt
index c709d40..c6ac65f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,7 +55,11 @@ list(APPEND LIBRARIES "${Boost_LIBRARIES}")
 link_directories("${Boost_LIBRARY_DIRS}")
 include_directories(SYSTEM "${Boost_INCLUDE_DIR}")
 
-add_cxxflag("-std=c++11")
+if(${Boost_VERSION} LESS 104800)
+	# Older Boost versions don't work with C++11
+else()
+	add_cxxflag("-std=c++11")
+endif()
 
 add_cxxflag("-Wall")
 add_cxxflag("-Wextra")