1 files changed, 3 insertions, 3 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 c3c423af77f..49c038f828c 100644
--- a/src/mongo/db/pipeline/document_source_sequential_document_cache.cpp
+++ b/src/mongo/db/pipeline/document_source_sequential_document_cache.cpp
@@ -106,9 +106,9 @@ Pipeline::SourceContainer::iterator DocumentSourceSequentialDocumentCache::doOpt
 
     // Iterate through the pipeline stages until we find one which references an external variable.
     for (; prefixSplit != container->end(); ++prefixSplit) {
-        (*prefixSplit)->getDependencies(&deps);
-
-        if (deps.hasVariableReferenceTo(varIDs)) {
+        if (((*prefixSplit)->getDependencies(&deps) ==
+             DocumentSource::GetDepsReturn::NOT_SUPPORTED) ||
+            deps.hasVariableReferenceTo(varIDs)) {
             break;
         }
     }