diff --git a/PreLoad.cmake b/PreLoad.cmake
index 37029bd67..67f77acc0 100644
--- a/PreLoad.cmake
+++ b/PreLoad.cmake
@@ -1 +1,3 @@
-set (CMAKE_GENERATOR "Unix Makefiles" CACHE INTERNAL "" FORCE)
+if (MINGW)
+    set (CMAKE_GENERATOR "Unix Makefiles" CACHE INTERNAL "")
+endif ()