diff --git a/app/src/main/java/com/topjohnwu/magisk/core/utils/MediaStoreUtils.kt b/app/src/main/java/com/topjohnwu/magisk/core/utils/MediaStoreUtils.kt
index d564b7a09..d28f9b880 100644
--- a/app/src/main/java/com/topjohnwu/magisk/core/utils/MediaStoreUtils.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/utils/MediaStoreUtils.kt
@@ -101,7 +101,7 @@ object MediaStoreUtils {
 
     fun Uri.inputStream() = cr.openInputStream(this) ?: throw FileNotFoundException()
 
-    fun Uri.outputStream() = cr.openOutputStream(this) ?: throw FileNotFoundException()
+    fun Uri.outputStream() = cr.openOutputStream(this, "rwt") ?: throw FileNotFoundException()
 
     val Uri.displayName: String get() {
         if (scheme == "file") {