diff --git a/openmetadata-service/src/main/java/org/openmetadata/service/jdbi3/EntityRepository.java b/openmetadata-service/src/main/java/org/openmetadata/service/jdbi3/EntityRepository.java
index a852f44c18c0..1f4b083a7385 100644
--- a/openmetadata-service/src/main/java/org/openmetadata/service/jdbi3/EntityRepository.java
+++ b/openmetadata-service/src/main/java/org/openmetadata/service/jdbi3/EntityRepository.java
@@ -682,7 +682,7 @@ public PutResponse<T> updateVote(String updatedBy, UUID entityId, VoteRequest re
     T originalEntity = dao.findEntityById(entityId);
 
     // Validate User
-    User user = daoCollection.userDAO().findEntityByName(updatedBy);
+    User user = daoCollection.userDAO().findEntityByName(FullyQualifiedName.quoteName(updatedBy));
     UUID userId = user.getId();
     if (Boolean.TRUE.equals(user.getDeleted())) {
       throw new IllegalArgumentException(CatalogExceptionMessage.deletedUser(userId));