diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt
index ce629fc..85f474d 100644
--- a/apps/CMakeLists.txt
+++ b/apps/CMakeLists.txt
@@ -1,55 +1,55 @@
 MESSAGE(STATUS "processing RTToolbox apps")
 
-IF (BUILD_App_DoseTool OR BUILD_App_VoxelizerTool)
+IF (BUILD_App_DoseTool OR BUILD_App_VoxelizerTool OR BUILD_App_BioModelCalc)
 	IF (WIN32)
 		IF (MSVC_VERSION LESS 1800)
 			MESSAGE(FATAL_ERROR "Some features of RTToolbox requires C++11 features that require Visual Studio 2013 or higher.")
 		ENDIF(MSVC_VERSION LESS 1800)
 	ENDIF(WIN32)
 	
 	#extract and build ArgumentParsingLib
 	include(ExternalProject)
 	message(STATUS "ArgumentParsingLib will be automatically downloaded and built.")
 	set(ArgumentParsingLib_SOURCE_DIR "${CMAKE_BINARY_DIR}/external/ArgumentParsingLib-src")
 	set(ArgumentParsingLib_BUILD_DIR "${CMAKE_BINARY_DIR}/external/ArgumentParsingLib-build")
 	set(ArgumentParsingLib_CMAKE_DIR "${CMAKE_BINARY_DIR}/external/ArgumentParsingLib-cmake")
 	
 	ExternalProject_Add(
 		ArgumentParsingLib
 		URL ${RTToolbox_SOURCE_DIR}/utilities/ArgumentParsingLib/ArgumentParsingLib.tar.gz
 		SOURCE_DIR ${ArgumentParsingLib_SOURCE_DIR}
 		BINARY_DIR ${ArgumentParsingLib_BUILD_DIR}
 		PREFIX ${ArgumentParsingLib_CMAKE_DIR}
 		INSTALL_COMMAND ""
 		UPDATE_COMMAND ""
 		CMAKE_ARGS 
 			-DBUILD_TESTS:BOOL=OFF
 			-DBoost_INCLUDE_DIR:STRING=${Boost_INCLUDE_DIR}
 			-DBoost_DIR:STRING=${Boost_DIR}
 	)
 ENDIF()
 
 OPTION(BUILD_App_DoseAcc "Determine if the application DoseAcc will be generated." OFF)
 IF(BUILD_App_DoseAcc)
 	ADD_SUBDIRECTORY(DoseAcc)
 ENDIF(BUILD_App_DoseAcc)
 
 OPTION(BUILD_App_DoseMap "Determine if the application DoseMap will be generated." OFF)
 IF(BUILD_App_DoseMap)
 	ADD_SUBDIRECTORY(DoseMap)
 ENDIF(BUILD_App_DoseMap)
 
 OPTION(BUILD_App_DoseTool "Determine if the application DoseTool will be generated." OFF)
 IF(BUILD_App_DoseTool)
 	ADD_SUBDIRECTORY(DoseTool)
 ENDIF(BUILD_App_DoseTool)
 
 OPTION(BUILD_App_VoxelizerTool "Determine if the application VoxelizerTool will be generated." OFF)
 IF(BUILD_App_VoxelizerTool)
 	ADD_SUBDIRECTORY(VoxelizerTool)
 ENDIF(BUILD_App_VoxelizerTool)
 
 OPTION(BUILD_App_BioModelCalc "Determine if the application BioModelCalc will be generated." OFF)
 IF(BUILD_App_BioModelCalc)
 	ADD_SUBDIRECTORY(BioModelCalc)
 ENDIF(BUILD_App_BioModelCalc)
\ No newline at end of file