1 files changed, 4 insertions, 6 deletions
diff --git a/src/mongo/db/pipeline/document_source_single_document_transformation.cpp b/src/mongo/db/pipeline/document_source_single_document_transformation.cpp
index 33820b0ceaf..c72c338ab91 100644
--- a/src/mongo/db/pipeline/document_source_single_document_transformation.cpp
+++ b/src/mongo/db/pipeline/document_source_single_document_transformation.cpp
@@ -64,7 +64,6 @@ DocumentSource::GetNextResult DocumentSourceSingleDocumentTransformation::doGetN
 
     // Get the next input document.
     auto input = pSource->getNext();
-
     if (!input.isAdvanced()) {
         return input;
     }
@@ -89,11 +88,10 @@ void DocumentSourceSingleDocumentTransformation::doDispose() {
 }
 
 Value DocumentSourceSingleDocumentTransformation::serialize(
-    const SerializationOptions& opts) const {
-    return Value(
-        Document{{getSourceName(),
-                  _parsedTransform ? _parsedTransform->serializeTransformation(opts.verbosity, opts)
-                                   : _cachedStageOptions}});
+    boost::optional<ExplainOptions::Verbosity> explain) const {
+    return Value(Document{{getSourceName(),
+                           _parsedTransform ? _parsedTransform->serializeTransformation(explain)
+                                            : _cachedStageOptions}});
 }
 
 Pipeline::SourceContainer::iterator DocumentSourceSingleDocumentTransformation::doOptimizeAt(