diff --git a/libraries/voxels/CMakeLists.txt b/libraries/voxels/CMakeLists.txt
index 3f7bcf81f0..35fc4df858 100644
--- a/libraries/voxels/CMakeLists.txt
+++ b/libraries/voxels/CMakeLists.txt
@@ -1,14 +1,16 @@
 cmake_minimum_required(VERSION 2.8)
 
+set(MACRO_DIRECTORY ../../cmake/macros)
+
+# setup for find modules
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake/modules/")
+
 set(TARGET_NAME voxels)
 
 project(${TARGET_NAME})
 
-# setup for find modules
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake/modules/")
-
 # set up the external glm library
-include(../../cmake/macros/IncludeGLM.cmake)
+include(${MACRO_DIRECTORY}/IncludeGLM.cmake)
 include_glm(${TARGET_NAME})
 
 # grab the implemenation and header files