diff --git a/dom/indexedDB/ActorsParent.cpp b/dom/indexedDB/ActorsParent.cpp
index 55eb170bf49..f45e14a4431 100644
--- a/dom/indexedDB/ActorsParent.cpp
+++ b/dom/indexedDB/ActorsParent.cpp
@@ -17198,6 +17198,8 @@ void GetDatabasesOp::SendResults() {
   if (HasFailed()) {
     mResolver(ClampResultCode(ResultCode()));
   } else {
+    std::sort(mDatabaseMetadataArray.begin(), mDatabaseMetadataArray.end(),
+              [](const auto& a, const auto& b) { return a.name() < b.name(); });
     mResolver(mDatabaseMetadataArray);
   }