diff --git a/updater/install.c b/updater/install.c
index c71781a..7b9aa80 100644
--- a/updater/install.c
+++ b/updater/install.c
@@ -33,17 +33,12 @@
 #include "mincrypt/sha.h"
 #include "minzip/DirUtil.h"
 #include "mounts.h"
+#include "flashutils/flashutils.h"
 #include "mtdutils/mtdutils.h"
 #include "mmcutils/mmcutils.h"
 #include "updater.h"
 #include "applypatch/applypatch.h"
 
-#ifndef BOARD_USES_MMCUTILS
-#define DEFAULT_FILESYSTEM "yaffs2"
-#else
-#define DEFAULT_FILESYSTEM "ext3"
-#endif
-
 // mount(type, location, mount_point)
 //
 //   what:  type="MTD"   location="<partition>"            to mount a yaffs2 filesystem
@@ -76,7 +71,7 @@
     mkdir(mount_point, 0755);
 
     if (strcmp(type, "MTD") == 0 || strcmp(type, "MMC") == 0) {
-        if (0 == mount_partition(location, mount_point, DEFAULT_FILESYSTEM, 0))
+        if (0 == mount_partition(location, mount_point, get_default_filesystem(), 0))
             result = mount_point;
         else
             result = strdup("");