diff --git a/atom/browser/ui/file_dialog_mac.mm b/atom/browser/ui/file_dialog_mac.mm
index 1cbe46e3b55b..676c632a2a44 100644
--- a/atom/browser/ui/file_dialog_mac.mm
+++ b/atom/browser/ui/file_dialog_mac.mm
@@ -34,7 +34,12 @@ void SetAllowedFileTypes(NSSavePanel* dialog, const Filters& filters) {
       [file_type_set addObject:base::mac::CFToNSCast(ext_cf.get())];
     }
   }
-  [dialog setAllowedFileTypes:[file_type_set allObjects]];
+
+  NSArray* file_types = nil;
+  if ([file_type_set count])
+    file_types = [file_type_set allObjects];
+
+  [dialog setAllowedFileTypes: file_types];
 }
 
 void SetupDialog(NSSavePanel* dialog,