diff --git a/common/include/villas/utils.hpp b/common/include/villas/utils.hpp
index 112e881a9..c31791a33 100644
--- a/common/include/villas/utils.hpp
+++ b/common/include/villas/utils.hpp
@@ -214,7 +214,7 @@ template <class... Ts> struct overloaded : Ts... {
 template <class... Ts> overloaded(Ts...) -> overloaded<Ts...>;
 
 void write_to_file(std::string data, const std::filesystem::path file);
-std::vector<std::string> read_names_in_directory(const std::string &name);
+std::vector<std::string> read_names_in_directory(const std::filesystem::path &directory);
 
 namespace base64 {
 
diff --git a/common/lib/utils.cpp b/common/lib/utils.cpp
index 58f7a4773..b137bf25e 100644
--- a/common/lib/utils.cpp
+++ b/common/lib/utils.cpp
@@ -369,9 +369,9 @@ void write_to_file(std::string data, const std::filesystem::path file) {
 }
 
 std::vector<std::string>
-read_names_in_directory(const std::filesystem::path &dir_path) {
+read_names_in_directory(const std::filesystem::path &directory) {
   std::vector<std::string> names;
-  for (auto const &dir_entry : std::filesystem::directory_iterator{dir_path}) {
+  for (auto const &dir_entry : std::filesystem::directory_iterator{directory}) {
       names.push_back(dir_entry.path().filename());
   }
   return names;