diff --git a/misc/config_tools/configurator/packages/configurator/src/pages/Config.vue b/misc/config_tools/configurator/packages/configurator/src/pages/Config.vue
index 86c925533..c094ca3d0 100644
--- a/misc/config_tools/configurator/packages/configurator/src/pages/Config.vue
+++ b/misc/config_tools/configurator/packages/configurator/src/pages/Config.vue
@@ -415,6 +415,7 @@ export default {
           if (errorType === 'semantic') {
             formErrors[vmid].push(error)
           }
+          formErrors[vmid] = _.uniq(formErrors[vmid])
         })
       }