1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/db/cloner.h b/src/mongo/db/cloner.h
index 16ae3ec4fc3..6f4e104ec60 100644
--- a/src/mongo/db/cloner.h
+++ b/src/mongo/db/cloner.h
@@ -23,7 +23,7 @@
 
 namespace mongo {
 
-    class CloneOptions;
+    struct CloneOptions;
     class IndexSpec;
     class DBClientBase;
     class DBClientCursor;