diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3bfd80a52..26262e505 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,7 +39,7 @@ IF(CMAKE_COMPILER_IS_GNUCXX)
   ENDIF(CMAKE_SYSTEM_NAME MATCHES Linux)
 ENDIF(CMAKE_COMPILER_IS_GNUCXX)
 
-INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR})
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
 
 ADD_SUBDIRECTORY(Eigen)
 ADD_SUBDIRECTORY(test)