diff --git a/CMakeLists.txt b/CMakeLists.txt
index 135e4dc2..8dcb0ee4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -352,8 +352,8 @@ if (CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND N
     if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.3)
 	                                                                     # IS_GNUCXX < 5.3
     else(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.3)
-       set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lstdc++fs ")    # IS_GNUCXX 5.3 or more
-       set(NANA_LINKS "${NANA_LINKS} -lstdc++fs ") 
+       set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lstdc++fs")    # IS_GNUCXX 5.3 or more
+       set(NANA_LINKS "${NANA_LINKS} -lstdc++fs") 
     endif(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.3)
     
 endif (CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND NOT MINGW)