1 files changed, 3 insertions, 3 deletions
diff --git a/src/server/shared/Utilities/Util.h b/src/server/shared/Utilities/Util.h
index 6370b9fda09..d88ad3be8e1 100644
--- a/src/server/shared/Utilities/Util.h
+++ b/src/server/shared/Utilities/Util.h
@@ -147,7 +147,7 @@ inline bool Utf8toWStr(const std::string& utf8str, wchar_t* wstr, size_t& wsize)
     return Utf8toWStr(utf8str.c_str(), utf8str.size(), wstr, wsize);
 }
 
-bool WStrToUtf8(std::wstring wstr, std::string& utf8str);
+bool WStrToUtf8(std::wstring const& wstr, std::string& utf8str);
 // size==real string size
 bool WStrToUtf8(wchar_t* wstr, size_t size, std::string& utf8str);
 
@@ -331,11 +331,11 @@ inline void wstrToLower(std::wstring& str)
     std::transform( str.begin(), str.end(), str.begin(), wcharToLower );
 }
 
-std::wstring GetMainPartOfName(std::wstring wname, uint32 declension);
+std::wstring GetMainPartOfName(std::wstring const& wname, uint32 declension);
 
 bool utf8ToConsole(const std::string& utf8str, std::string& conStr);
 bool consoleToUtf8(const std::string& conStr, std::string& utf8str);
-bool Utf8FitTo(const std::string& str, std::wstring search);
+bool Utf8FitTo(const std::string& str, std::wstring const& search);
 void utf8printf(FILE* out, const char *str, ...);
 void vutf8printf(FILE* out, const char *str, va_list* ap);