diff --git a/model/jpa/src/main/java/org/keycloak/models/jpa/RealmAdapter.java b/model/jpa/src/main/java/org/keycloak/models/jpa/RealmAdapter.java
index 7f98fd0fdb..96e539a460 100755
--- a/model/jpa/src/main/java/org/keycloak/models/jpa/RealmAdapter.java
+++ b/model/jpa/src/main/java/org/keycloak/models/jpa/RealmAdapter.java
@@ -666,7 +666,8 @@ public class RealmAdapter implements RealmModel {
 
     @Override
     public List<UserModel> searchForUser(String search) {
-        TypedQuery<UserEntity> query = em.createQuery("select u from UserEntity u where lower(u.loginName) like :search or lower(concat(u.firstName, ' ', u.lastName)) like :search or u.email like :search", UserEntity.class);
+        TypedQuery<UserEntity> query = em.createQuery("select u from UserEntity u where u.realm = :realm and lower(u.loginName) like :search or lower(concat(u.firstName, ' ', u.lastName)) like :search or u.email like :search", UserEntity.class);
+        query.setParameter("realm", realm);
         query.setParameter("search", "%" + search.toLowerCase() + "%");
         List<UserEntity> results = query.getResultList();
         List<UserModel> users = new ArrayList<UserModel>();
diff --git a/services/src/test/java/org/keycloak/test/AdapterTest.java b/services/src/test/java/org/keycloak/test/AdapterTest.java
index c0c13824d5..a600f6f67e 100755
--- a/services/src/test/java/org/keycloak/test/AdapterTest.java
+++ b/services/src/test/java/org/keycloak/test/AdapterTest.java
@@ -303,6 +303,7 @@ public class AdapterTest extends AbstractKeycloakTest {
         }
 
         RealmManager adapter = getRealmManager();
+        adapter.createRealm("other").addUser("bburke");
 
         {
             List<UserModel> userModels = adapter.searchUsers("total junk query", realmModel);