diff --git a/packages/kb.gbapp/services/KBService.ts b/packages/kb.gbapp/services/KBService.ts
index 59b29090..507c683b 100644
--- a/packages/kb.gbapp/services/KBService.ts
+++ b/packages/kb.gbapp/services/KBService.ts
@@ -207,7 +207,7 @@ export class KBService implements IGBKBService {
       question = await GuaribasQuestion.findOne({
         where: {
           instanceId: instanceId,
-          content: { [Op.like]: `%${text}%` }
+          content: { [Op.like]: `%[^a-z]${text}[^a-z]%` }
         }
       });
     }