diff --git a/etc/init.rc b/etc/init.rc
index e6b43e0..611f5b4 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -10,6 +10,8 @@ on init
     symlink /system/etc /etc
 
     mkdir /sdcard
+    mkdir /sd-ext
+    mkdir /datadata
     mkdir /emmc
     mkdir /system
     mkdir /data
diff --git a/nandroid.c b/nandroid.c
index df33cee..7afdc81 100644
--- a/nandroid.c
+++ b/nandroid.c
@@ -198,7 +198,7 @@ int nandroid_backup(const char* backup_path)
     {
         if (0 != ensure_path_mounted("/sd-ext"))
             ui_print("Could not mount sd-ext. sd-ext backup may not be supported on this device. Skipping backup of sd-ext.\n");
-        else if (0 != (ret = nandroid_backup_partition(backup_path, "SDEXT:")))
+        else if (0 != (ret = nandroid_backup_partition(backup_path, "/sd-ext")))
             return ret;
     }