diff --git a/script/max-pretarget.cmake b/script/max-pretarget.cmake
index f7a65cb..89a8e55 100644
--- a/script/max-pretarget.cmake
+++ b/script/max-pretarget.cmake
@@ -62,7 +62,9 @@ if (APPLE)
 	set(CMAKE_OSX_DEPLOYMENT_TARGET "10.11" CACHE STRING "Minimum OS X deployment version" FORCE)
 endif ()
 
-if (NOT DEFINED CMAKE_LIBRARY_OUTPUT_DIRECTORY)
+if (DEFINED C74_LIBRARY_OUTPUT_DIRECTORY)
+	set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${C74_LIBRARY_OUTPUT_DIRECTORY}")
+else ()
 	if (NOT DEFINED C74_BUILD_MAX_EXTENSION)
 		set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/../../../externals")
 	else ()