diff --git a/include/textfile.hpp b/include/textfile.hpp
index bb6740de..67c3af91 100755
--- a/include/textfile.hpp
+++ b/include/textfile.hpp
@@ -14,8 +14,8 @@ class TextFile
 {
 public:
     TextFile();
-    void Load(std::string filename);
-    bool TryLoad(std::string filename);
+    void Load(const std::string &filename);
+    bool TryLoad(const std::string &filename);
     size_t LineCount() const;
     const std::string &Line(size_t id) const;
 
diff --git a/src/textfile.cpp b/src/textfile.cpp
index 5baf4da4..d03c1529 100755
--- a/src/textfile.cpp
+++ b/src/textfile.cpp
@@ -13,7 +13,7 @@ TextFile::TextFile() : lines{}
 {
 }
 
-bool TextFile::TryLoad(std::string name)
+bool TextFile::TryLoad(const std::string &name)
 {
     if (name.length() == 0)
         return false;
@@ -33,9 +33,9 @@ bool TextFile::TryLoad(std::string name)
     return true;
 }
 
-void TextFile::Load(std::string name)
+void TextFile::Load(const std::string &name)
 {
-    std::string filename = format(DATA_PATH "/", name);
+    std::string filename = DATA_PATH "/" + name;
     std::ifstream file(filename, std::ios::in);
     if (file.bad())
     {