diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5bd1220c37b20ae5b44e206cebef289fd61b2058..bf8f83235cc0c83f77b34ba7008d2ec4f37d2eb1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -104,7 +104,7 @@ 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/quickcheck )
 INCLUDE_DIRECTORIES( SYSTEM ${CMAKE_CURRENT_BINARY_DIR}/ThirdParty/zlib )