1 files changed, 1 insertions, 1 deletions
diff --git a/lingucomponent/source/languageguessing/guess.hxx b/lingucomponent/source/languageguessing/guess.hxx
index 65febf59e03b..4e9644f5ecd1 100644
--- a/lingucomponent/source/languageguessing/guess.hxx
+++ b/lingucomponent/source/languageguessing/guess.hxx
@@ -52,7 +52,7 @@ class Guess{
         string GetCountry() { return country_str;}
         string GetEncoding() { return encoding_str;}
 
-        bool operator==(string lang);
+        bool operator==(const string& lang);
 
     protected:
         string language_str;