diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a8ac57a01..3b328c306 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required (VERSION 3.9)
 project (slic3r)
 
-
+option(Enable_GUI "Use the wxWidgets code in slic3r.cpp" OFF)
 option(GUI_BUILD_TESTS "Build tests for Slic3r GUI." ON)
 option(SLIC3R_BUILD_TESTS "Build tests for libslic3r." ON)
 option(SLIC3R_STATIC "Build and link Slic3r statically." ON)
@@ -22,6 +22,10 @@ if(DEFINED ENV{SLIC3R_VAR_ABS_PATH})
     set(CMAKE_CXX_FLAGS "-DVAR_ABS_PATH=$ENV{SLIC3R_VAR_ABS_PATH}")
 endif(DEFINED ENV{SLIC3R_VAR_ABS_PATH})
 
+if(Enable_GUI) 
+    set(CMAKE_CXX_FLAGS "-DUSE_WX")
+endif(Enable_GUI)
+
 if($ENV{TRAVIS})
     if($ENV{TRAVIS} STREQUAL "true")
         message(STATUS "Building on Travis-CI.")
@@ -231,7 +235,6 @@ set(LIBSLIC3R_DEPENDS
     ${Boost_LIBRARIES}
 )
 
-
 IF(wxWidgets_FOUND)
     MESSAGE("wx found!")
     INCLUDE("${wxWidgets_USE_FILE}")