diff --git a/src/core/hle/service/filesystem/fsp_srv.cpp b/src/core/hle/service/filesystem/fsp_srv.cpp
index 673eaabf0..e7ffb6bd1 100644
--- a/src/core/hle/service/filesystem/fsp_srv.cpp
+++ b/src/core/hle/service/filesystem/fsp_srv.cpp
@@ -149,8 +149,9 @@ private:
             length, data.size());
 
         // Write the data to the Storage backend
-        std::vector<u8> actual_data(data.begin(), data.begin() + length);
-        const std::size_t written = backend->WriteBytes(std::move(actual_data), offset);
+        const auto write_size =
+            static_cast<std::size_t>(std::distance(data.begin(), data.begin() + length));
+        const std::size_t written = backend->Write(data.data(), write_size, offset);
 
         ASSERT_MSG(static_cast<s64>(written) == length,
                    "Could not write all bytes to file (requested={:016X}, actual={:016X}).", length,