1 files changed, 3 insertions, 1 deletions
diff --git a/src/mongo/util/net/socket_exception.h b/src/mongo/util/net/socket_exception.h
index b610e754bb3..e6e5ac25c2d 100644
--- a/src/mongo/util/net/socket_exception.h
+++ b/src/mongo/util/net/socket_exception.h
@@ -37,7 +37,7 @@ namespace mongo {
 /**
  * A special class of DBException thrown by Sockets.
  */
-class SocketException : public DBException {
+class SocketException final : public DBException {
 public:
     const enum Type {
         CLOSED,
@@ -61,6 +61,8 @@ public:
     std::string toString() const override;
 
 private:
+    void defineOnlyInFinalSubclassToPreventSlicing() final {}
+
     std::string _server;
     std::string _extra;
 };