1 files changed, 1 insertions, 2 deletions
diff --git a/src/mongo/db/pipeline/document_source_sequential_document_cache.cpp b/src/mongo/db/pipeline/document_source_sequential_document_cache.cpp
index 33c32f096b3..39a13272df6 100644
--- a/src/mongo/db/pipeline/document_source_sequential_document_cache.cpp
+++ b/src/mongo/db/pipeline/document_source_sequential_document_cache.cpp
@@ -41,7 +41,6 @@ DocumentSourceSequentialDocumentCache::DocumentSourceSequentialDocumentCache(
     const boost::intrusive_ptr<ExpressionContext>& expCtx, SequentialDocumentCache* cache)
     : DocumentSource(kStageName, expCtx), _cache(cache) {
     invariant(_cache);
-    invariant(!_cache->isAbandoned());
 
     if (_cache->isServing()) {
         _cache->restartIteration();
@@ -96,7 +95,7 @@ Pipeline::SourceContainer::iterator DocumentSourceSequentialDocumentCache::doOpt
     _hasOptimizedPos = true;
 
     // If the cache is the only stage in the pipeline, return immediately.
-    if (itr == container->begin()) {
+    if (itr == container->begin() && std::next(itr) == container->end()) {
         return container->end();
     }