diff --git a/magick/resource.c b/magick/resource.c
index 6ca29d8..9686917 100644
--- a/magick/resource.c
+++ b/magick/resource.c
@@ -707,12 +707,7 @@
/*
Set Magick resource limits.
*/
- pagesize=(-1);
-#if defined(MAGICKCORE_HAVE_SYSCONF) && defined(_SC_PAGESIZE)
- pagesize=sysconf(_SC_PAGESIZE);
-#elif defined(MAGICKCORE_HAVE_GETPAGESIZE) && defined(MAGICKCORE_POSIX_SUPPORT)
- pagesize=getpagesize();
-#endif
+ pagesize=GetMagickPageSize();
pages=(-1);
#if defined(MAGICKCORE_HAVE_SYSCONF) && defined(_SC_PHYS_PAGES)
pages=sysconf(_SC_PHYS_PAGES);