diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4dcc51a..e9b741d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,30 +1,36 @@
 project(KApiDox NONE)
 cmake_minimum_required(VERSION 3.0)
 
 find_package(PythonInterp REQUIRED)
 
-file(TO_NATIVE_PATH ${CMAKE_BINARY_DIR} BINARY_DIR)
+if(WIN32)
+    # Needs native path and extra escaping of spaces
+    file(TO_NATIVE_PATH "${CMAKE_BINARY_DIR}" BINARY_DIR)
+else()
+    set(BINARY_DIR ${CMAKE_BINARY_DIR})
+endif()
+
 add_custom_target(build ALL
     COMMAND ${PYTHON_EXECUTABLE} setup.py build --build-base ${BINARY_DIR}
     WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
     )
 
 # DESTDIR may be set at install time (eg: `make DESTDIR=/tmp/package install`)
 # so we need to check for it when the install code is run and pass the appropriate
 # argument to distutils.
 #
 # Note that if(\$ENV{DESTDIR}) always fails, regardless of the value of the DESTDIR
 # environment variable, hence the STREQUAL test.
 # See http://public.kitware.com/Bug/view.php?id=14737
 install(CODE
     "set(_root_arg)
      if (NOT \$ENV{DESTDIR} STREQUAL \"\")
          file(TO_NATIVE_PATH \$ENV{DESTDIR} DESTDIR)
          set(_root_arg --root \"\${DESTDIR}\")
      endif()
     file(TO_NATIVE_PATH ${CMAKE_INSTALL_PREFIX} INSTALL_PREFIX)
      execute_process(
         COMMAND ${PYTHON_EXECUTABLE} setup.py install --prefix \"\${INSTALL_PREFIX}\" \${_root_arg}
         WORKING_DIRECTORY \"${CMAKE_SOURCE_DIR}\"
         )"
     )