1 files changed, 3 insertions, 0 deletions
diff --git a/dom/fs/parent/datamodel/FileSystemDatabaseManagerVersion002.cpp b/dom/fs/parent/datamodel/FileSystemDatabaseManagerVersion002.cpp
index 3543346ff0..a6c61b0e3e 100644
--- a/dom/fs/parent/datamodel/FileSystemDatabaseManagerVersion002.cpp
+++ b/dom/fs/parent/datamodel/FileSystemDatabaseManagerVersion002.cpp
@@ -463,6 +463,9 @@ nsresult FileSystemDatabaseManagerVersion002::GetFile(
     if (mainFileId) {
       QM_TRY_UNWRAP(aFile,
                     mFileManager->CreateFileFrom(aFileId, mainFileId.value()));
+      int64_t fileSize = 0;
+      QM_TRY(QM_TO_RESULT(aFile->GetFileSize(&fileSize)));
+      UpdateCachedQuotaUsage(aFileId, 0, fileSize);
     } else {
       // LockShared/EnsureTemporaryFileId has provided a brand new fileId.
       QM_TRY_UNWRAP(aFile, mFileManager->GetOrCreateFile(aFileId));