diff --git a/src/name-assignment/assignment-random.cpp b/src/name-assignment/assignment-random.cpp
index eaed861..284a1f7 100644
--- a/src/name-assignment/assignment-random.cpp
+++ b/src/name-assignment/assignment-random.cpp
@@ -31,7 +31,7 @@
 {}
 
 std::vector<PartialName>
-AssignmentRandom::assignName(const std::multimap<std::string, std::string> &params)
+AssignmentRandom::assignName(const std::multimap<std::string, std::string>& params)
 {
   std::vector<PartialName> resultList;
   resultList.emplace_back(to_string(random::generateSecureWord64()));