diff --git a/src/common/docview.cpp b/src/common/docview.cpp
index 4020edb7d5..9b8de09018 100644
--- a/src/common/docview.cpp
+++ b/src/common/docview.cpp
@@ -2115,7 +2115,7 @@ void wxFileHistory::Save(wxConfigBase& config)
     for (i = 0; i < m_fileHistoryN; i++)
     {
         wxString buf;
-        buf.Printf(wxT("file%d"), i+1);
+        buf.Printf(wxT("file%d"), (int)i+1);
         config.Write(buf, wxString(m_fileHistory[i]));
     }
 }