diff --git a/src/core/hle/service/filesystem/fsp_srv.cpp b/src/core/hle/service/filesystem/fsp_srv.cpp
index e7ffb6bd1..4110e67b4 100644
--- a/src/core/hle/service/filesystem/fsp_srv.cpp
+++ b/src/core/hle/service/filesystem/fsp_srv.cpp
@@ -193,13 +193,14 @@ private:
 template <typename T>
 static void BuildEntryIndex(std::vector<FileSys::Entry>& entries, const std::vector<T>& new_data,
                             FileSys::EntryType type) {
+    entries.reserve(entries.size() + new_data.size());
+
     for (const auto& new_entry : new_data) {
-        FileSys::Entry entry;
+        auto& entry = entries.emplace_back();
         entry.filename[0] = '\0';
         std::strncat(entry.filename, new_entry->GetName().c_str(), FileSys::FILENAME_LENGTH - 1);
         entry.type = type;
         entry.file_size = new_entry->GetSize();
-        entries.emplace_back(std::move(entry));
     }
 }