diff --git a/FileUtils.cpp b/FileUtils.cpp
index 9bbe6c06..0383ab48 100644
--- a/FileUtils.cpp
+++ b/FileUtils.cpp
@@ -72,7 +72,7 @@ bool CFile::IsLnk(bool bUseLstat) const { return CFile::IsLnk(m_sLongName, bUseL
 bool CFile::IsSock(bool bUseLstat) const { return CFile::IsSock(m_sLongName, bUseLstat); }
 
 // for gettin file types, using fstat instead
-bool CFile::FType(const CString sFileName, EFileTypes eType, bool bUseLstat) {
+bool CFile::FType(const CString& sFileName, EFileTypes eType, bool bUseLstat) {
 	struct stat st;
 
 	if (!bUseLstat) {
diff --git a/FileUtils.h b/FileUtils.h
index 0bca83bb..0348d4dd 100644
--- a/FileUtils.h
+++ b/FileUtils.h
@@ -53,7 +53,7 @@ public:
 	bool IsSock(bool bUseLstat = false) const;
 
 	// for gettin file types, using fstat instead
-	static bool FType(const CString sFileName, EFileTypes eType, bool bUseLstat = false);
+	static bool FType(const CString& sFileName, EFileTypes eType, bool bUseLstat = false);
 
 	enum EFileAttr {
 		FA_Name,