diff --git a/Step/Controllers/WebApi/ToolTableController.cs b/Step/Controllers/WebApi/ToolTableController.cs
index 26b84755..1f2b83de 100644
--- a/Step/Controllers/WebApi/ToolTableController.cs
+++ b/Step/Controllers/WebApi/ToolTableController.cs
@@ -368,6 +368,8 @@ namespace Step.Controllers.WebApi
         {
             if (!ModelState.IsValid)
                 return BadRequest(ModelState);
+            if (toolId.ToolId == 0)
+                return BadRequest("error_incorrect_parameters");
 
             using (NcHandler ncHandler = new NcHandler())
             {