diff --git a/src/mac/carbon/thread.cpp b/src/mac/carbon/thread.cpp
index b0d67a020c..a2fb9e43eb 100644
--- a/src/mac/carbon/thread.cpp
+++ b/src/mac/carbon/thread.cpp
@@ -1420,7 +1420,7 @@ bool wxThreadModule::OnInit()
     
 	if ( !hasThreadManager )
     {
-		wxMessageBox( wxT("Error") , wxT("MP Thread Support is not available on this System" ), wxOK ) ;
+		wxLogError( _("MP Thread Support is not available on this System" ) ) ;
 		return FALSE ;
     }