diff --git a/source/blender/editors/space_buttons/buttons_ops.cc b/source/blender/editors/space_buttons/buttons_ops.cc
index 1f22bb0f3da..3ce1d8cbaaf 100644
--- a/source/blender/editors/space_buttons/buttons_ops.cc
+++ b/source/blender/editors/space_buttons/buttons_ops.cc
@@ -371,6 +371,7 @@ static int file_browse_invoke(bContext *C, wmOperator *op, const wmEvent *event)
     else {
       MEM_freeN(path);
       path = BLI_strdup(BKE_appdir_folder_default_or_root());
+      BLI_path_slash_ensure(path, FILE_MAXDIR);
     }
   }