diff --git a/CMakeLists.txt b/CMakeLists.txt
index ee5eb45..8c27bdc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,11 +8,12 @@ file(GLOB_RECURSE project_headers ./src/*.h)
 file(GLOB_RECURSE  project_cpps ./src/*.cpp)
 file(GLOB_RECURSE  project_cxx ./src/*.cxx)
 file(GLOB_RECURSE  project_cc ./src/*.cc)
-if(UNIX)
+set(USE_SHIMLIB OFF)
+if(UNIX AND USE_SHIMLIB)
 file(GLOB_RECURSE  project_c ./src/json/*.c)
-else(UNIX)
+else()
 file(GLOB_RECURSE  project_c ./src/*.c)
-endif(UNIX)
+endif()
 include_directories(./src/)
 
 find_package(Qt5 COMPONENTS Core Widgets Gui OpenGL Sql VirtualKeyboard REQUIRED)
@@ -22,12 +23,12 @@ file(GLOB  project_uis ./src/*.ui)
 qt5_wrap_ui(ui_FILES ${project_uis})
 file(GLOB  project_res ./src/*.qrc)
 add_executable(${PROJECT_NAME} ${project_headers} ${project_cpps} ${project_cxx} ${project_res} ${project_cc} ${project_c} ${ui_FILES})
-if(UNIX)
+if(UNIX AND USE_SHIMLIB)
 link_directories(/usr/local/lib64)
 target_link_libraries(${PROJECT_NAME} Qt5::Core Qt5::Widgets Qt5::Gui Qt5::OpenGL Qt5::Sql Qt5::VirtualKeyboard usct_shim dmapi log4c cunit ctomat hdf5 matio m)
-else(UNIX)
+else()
 target_link_libraries(${PROJECT_NAME} Qt5::Core Qt5::Widgets Qt5::Gui Qt5::OpenGL Qt5::Sql Qt5::VirtualKeyboard)
-endif(UNIX)
+endif()
 
 if(MSVC)
         set_target_properties(${PROJECT_NAME} PROPERTIES VS_DEBUGGER_ENVIRONMENT "path=${Qt5_DIR}/../../../bin/")