diff --git a/CMakeLists.txt b/CMakeLists.txt
index f2307f26d0849c4b93bd8d1fe5ed78b1e47f5364..a7de12a86fa3a86e6f83d8680f64ee46d899e5b3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -113,7 +113,7 @@ ENDIF()
 
 # Add subdirectories with the projects
 ADD_SUBDIRECTORY( ThirdParty )
-INCLUDE_DIRECTORIES( ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty )
+INCLUDE_DIRECTORIES( SYSTEM ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty )
 INCLUDE_DIRECTORIES( SYSTEM ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty/gtest/include )
 INCLUDE_DIRECTORIES( SYSTEM ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty/quickcheck )
 INCLUDE_DIRECTORIES( SYSTEM ${CMAKE_CURRENT_BINARY_DIR}/ThirdParty/zlib )