diff --git a/src/Algos.cc b/src/Algos.cc
index 13d756df2..164c2a4eb 100644
--- a/src/Algos.cc
+++ b/src/Algos.cc
@@ -179,7 +179,7 @@ findSimilarStr(
 
 #ifdef POAC_TEST
 
-#  include "Rustify/Aliases.hpp"
+#  include "Rustify/Common.hpp"
 #  include "Rustify/Tests.hpp"
 
 #  include <array>
diff --git a/src/Cli.hpp b/src/Cli.hpp
index 60e5a3ee4..e6f445a25 100644
--- a/src/Cli.hpp
+++ b/src/Cli.hpp
@@ -1,7 +1,7 @@
 #pragma once
 
 #include "Logger.hpp"
-#include "Rustify/Aliases.hpp"
+#include "Rustify/Common.hpp"
 
 #include <cstdlib>
 #include <functional>
diff --git a/src/Manifest.hpp b/src/Manifest.hpp
index 0de4330ad..5ec720651 100644
--- a/src/Manifest.hpp
+++ b/src/Manifest.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Rustify/Aliases.hpp"
+#include "Rustify/Common.hpp"
 #include "Semver.hpp"
 
 #include <compare>
diff --git a/src/Rustify.hpp b/src/Rustify.hpp
index 49e1df782..f0dad6b53 100644
--- a/src/Rustify.hpp
+++ b/src/Rustify.hpp
@@ -1,5 +1,5 @@
 #pragma once
 
-#include "Rustify/Aliases.hpp"
+#include "Rustify/Common.hpp"
 #include "Rustify/Tests.hpp"
 #include "Rustify/Traits.hpp"
diff --git a/src/Rustify/Aliases.hpp b/src/Rustify/Common.hpp
similarity index 82%
rename from src/Rustify/Aliases.hpp
rename to src/Rustify/Common.hpp
index 5f0f72167..fd759f7fb 100644
--- a/src/Rustify/Aliases.hpp
+++ b/src/Rustify/Common.hpp
@@ -2,8 +2,8 @@
 
 #include <cstddef>
 #include <filesystem>
+#include <fmt/format.h>
 #include <source_location>
-#include <sstream>
 #include <stdexcept>
 #include <string_view>
 
@@ -24,10 +24,9 @@ panic(
     const std::string_view msg,
     const std::source_location& loc = std::source_location::current()
 ) {
-  std::ostringstream oss;
-  oss << "panicked at '" << msg << "', " << loc.file_name() << ':' << loc.line()
-      << '\n';
-  throw std::logic_error(oss.str());
+  throw std::logic_error(
+      fmt::format("panicked at '{}', {}:{}\n", msg, loc.file_name(), loc.line())
+  );
 }
 
 [[noreturn]] inline void
diff --git a/src/VersionReq.cc b/src/VersionReq.cc
index 5b95d0904..7c04374d9 100644
--- a/src/VersionReq.cc
+++ b/src/VersionReq.cc
@@ -1,7 +1,7 @@
 #include "VersionReq.hpp"
 
 #include "Exception.hpp"
-#include "Rustify/Aliases.hpp"
+#include "Rustify/Common.hpp"
 
 #include <cctype>
 #include <cstddef>