diff --git a/src/common/intl.cpp b/src/common/intl.cpp
index e7103825e0..b32ce87d3d 100644
--- a/src/common/intl.cpp
+++ b/src/common/intl.cpp
@@ -1215,7 +1215,7 @@ void wxMsgCatalogFile::FillHash(wxMessagesHash& hash, bool convertEncoding) cons
     if ( convertEncoding )
     {
         wxFontEncoding targetEnc = wxFONTENCODING_SYSTEM;
-        wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(charset, FALSE);
+        wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(m_charset, FALSE);
         if ( enc == wxFONTENCODING_SYSTEM )
         {
             convertEncoding = FALSE; // unknown encoding