diff --git a/src/CppParser/CppParser.cpp b/src/CppParser/CppParser.cpp
index 9284b6e56..049a4e5a2 100644
--- a/src/CppParser/CppParser.cpp
+++ b/src/CppParser/CppParser.cpp
@@ -19,7 +19,7 @@ namespace CppSharp { namespace CppParser {
 
     CppParserOptions::~CppParserOptions() {}
 
-    std::string CppParserOptions::getClangVersion()
+    const std::string& CppParserOptions::getClangVersion()
     {
         return clangVersion;
     }
@@ -78,4 +78,4 @@ namespace CppSharp { namespace CppParser {
 
     ParserDiagnostic::~ParserDiagnostic() {}
 
-}} // namespace CppSharp::CppParser
\ No newline at end of file
+}} // namespace CppSharp::CppParser