1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/db/pipeline/pipeline_d.h b/src/mongo/db/pipeline/pipeline_d.h
index 35d93a4cfd2..5be4893cf3b 100644
--- a/src/mongo/db/pipeline/pipeline_d.h
+++ b/src/mongo/db/pipeline/pipeline_d.h
@@ -38,7 +38,7 @@ namespace mongo {
 class Collection;
 class DocumentSourceCursor;
 class DocumentSourceSort;
-struct ExpressionContext;
+class ExpressionContext;
 class OperationContext;
 class Pipeline;
 class PlanExecutor;