diff --git a/src/gui/plug/tool.py b/src/gui/plug/tool.py
index ea082ca46..b1a5c1c0b 100644
--- a/src/gui/plug/tool.py
+++ b/src/gui/plug/tool.py
@@ -261,7 +261,7 @@ def cli_tool(dbstate, name, category, tool_class, options_class, options_str_dic
 
     # run tool
     try:
-        tool_class(dbstate, None, options_class, name, None)
+        tool_class(dbstate, None, clt.option_class, name, None)
     except:
         log.error("Failed to start tool.", exc_info=True)