diff --git a/path_config.cmake b/path_config.cmake
index d1e7d81..38a9493 100644
--- a/path_config.cmake
+++ b/path_config.cmake
@@ -8,4 +8,6 @@ macro(CMUtilSetup source_path)
     set(CMUTIL_ROOT_3RDPTY_PATH     ${source_path}/3rdpty)
 
     include_directories(${CMUTIL_ROOT_INCLUDE_PATH})
+    include_directories(${CMUTIL_ROOT_3RDPTY_PATH}/jsoncpp/include)
 endmacro()
+