diff --git a/src/mac/carbon/dirdlg.cpp b/src/mac/carbon/dirdlg.cpp
index df4aeff10d..6dff7ee406 100644
--- a/src/mac/carbon/dirdlg.cpp
+++ b/src/mac/carbon/dirdlg.cpp
@@ -84,6 +84,7 @@ int wxDirDialog::ShowModal()
     OSStatus err = noErr;
 
     err = NavGetDefaultDialogCreationOptions(&options);
+    options.optionFlags &= ~kNavAllowMultipleFiles;
     if (err == noErr)
     {
         wxMacCFStringHolder message(m_message, m_font.GetEncoding());