diff --git a/utils/tex2rtf/src/tex2rtf.cpp b/utils/tex2rtf/src/tex2rtf.cpp
index df9b12eb5b..281acafa0c 100644
--- a/utils/tex2rtf/src/tex2rtf.cpp
+++ b/utils/tex2rtf/src/tex2rtf.cpp
@@ -330,7 +330,7 @@ bool MyApp::OnInit()
 
     if (InputFile)
     {
-      sprintf(buf, "Tex2RTF [%s]", FileNameFromPath(InputFile));
+      sprintf(buf, "Tex2RTF [%s]", wxFileNameFromPath(InputFile));
       frame->SetTitle(buf);
     }