diff --git a/sepolicy/vold.te b/sepolicy/vold.te
index af1754d..516bf29 100644
--- a/sepolicy/vold.te
+++ b/sepolicy/vold.te
@@ -14,3 +14,8 @@
 
 # Allow vold to manage ASEC
 allow vold sdcard_external:file create_file_perms;
+
+# Allow vold to change context for mounted ext4 sdcard
+relabelto_domain(vold)
+allow vold labeledfs:filesystem { relabelfrom };
+allow vold sdcard_external:filesystem { relabelfrom relabelto };