diff --git a/apps/red-ui/src/app/modules/shared/components/add-edit-entity/add-edit-entity.component.ts b/apps/red-ui/src/app/modules/shared/components/add-edit-entity/add-edit-entity.component.ts
index e3fbf05e8..480198427 100644
--- a/apps/red-ui/src/app/modules/shared/components/add-edit-entity/add-edit-entity.component.ts
+++ b/apps/red-ui/src/app/modules/shared/components/add-edit-entity/add-edit-entity.component.ts
@@ -201,9 +201,12 @@ export class AddEditEntityComponent extends BaseFormComponent implements OnInit
         const existingTechnicalNames = this._dictionariesMapService.get(this.dossierTemplateId).map(dict => dict.type);
         const baseTechnicalName = toSnakeCase(value.trim());
         let technicalName = baseTechnicalName.replaceAll(/[^A-Za-z0-9_-]/g, '');
+        if (!technicalName.length && baseTechnicalName.length) {
+            technicalName = '_';
+        }
         let suffix = 1;
         while (existingTechnicalNames.includes(technicalName)) {
-            technicalName = [technicalName, suffix++].join('_');
+            technicalName = technicalName === '_' ? `${technicalName}${suffix++}` : [technicalName, suffix++].join('_');
         }
         return technicalName;
     }