diff --git a/src/protocol-detail/probe.cpp b/src/protocol-detail/probe.cpp
index d2f9e7e..b0ac75c 100644
--- a/src/protocol-detail/probe.cpp
+++ b/src/protocol-detail/probe.cpp
@@ -50,7 +50,7 @@
 
 Block
 PROBE::encodeDataContent(const std::vector<Name>& identifiers, boost::optional<size_t> maxSuffixLength,
-                         boost::optional<std::vector<std::shared_ptr<security::v2::Certificate>>> redirectionItems)
+                         boost::optional<std::vector<std::shared_ptr<security::Certificate>>> redirectionItems)
 {
   Block content = makeEmptyBlock(tlv::Content);
   for (const auto& name : identifiers) {