diff --git a/CMakeLists.txt b/CMakeLists.txt
index c36d9f7ce..ae664dd95 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ mapnik_option(INSTALL_DEPENDENCIES "if ON, all dependencies (eg. required dlls)
 
 mapnik_option(BUILD_SHARED_LIBS "build mapnik dynamic(ON) or static(OFF)" ON)
 mapnik_option(BUILD_SHARED_PLUGINS "build dynamic plugins" ${BUILD_SHARED_LIBS}) # use BUILD_SHARED_LIBS as default option
-mapnik_option(BUILD_SHARED_CRT "(only windows with msvc) use msvc shared crt" ${BUILD_SHARED_LIBS}) # use BUILD_SHARED_LIBS as default option
+mapnik_option(BUILD_SHARED_CRT "(only windows with msvc) use msvc shared crt" ON)
 if(WIN32 AND BUILD_SHARED_PLUGINS AND NOT BUILD_SHARED_LIBS)
     message(FATAL_ERROR "static libmapnik and dynamic plugins won't work correctly")
 endif()