diff --git a/dom/indexedDB/ActorsParent.cpp b/dom/indexedDB/ActorsParent.cpp
index 15097c87224..77bdce7aa8a 100644
--- a/dom/indexedDB/ActorsParent.cpp
+++ b/dom/indexedDB/ActorsParent.cpp
@@ -1326,6 +1326,7 @@ class DatabaseConnection::UpdateRefcountFunction::FileInfoEntry final {
     }
   }
   void DecBySavepointDelta() { mDelta -= mSavepointDelta; }
+  void ResetSavepointDelta() { mSavepointDelta = 0; }
   SafeRefPtr<DatabaseFileInfo> ReleaseFileInfo() {
     return std::move(mFileInfo);
   }
@@ -7626,6 +7627,7 @@ void DatabaseConnection::UpdateRefcountFunction::RollbackSavepoint() {
 
   for (const auto& entry : mSavepointEntriesIndex.Values()) {
     entry->DecBySavepointDelta();
+    entry->ResetSavepointDelta();
   }
 
   mInSavepoint = false;