diff --git a/rest-api/resources/src/main/java/org/eclipse/kapua/app/api/resources/v1/resources/EndpointInfos.java b/rest-api/resources/src/main/java/org/eclipse/kapua/app/api/resources/v1/resources/EndpointInfos.java
index 679defcbb4f..164fb0a7aeb 100644
--- a/rest-api/resources/src/main/java/org/eclipse/kapua/app/api/resources/v1/resources/EndpointInfos.java
+++ b/rest-api/resources/src/main/java/org/eclipse/kapua/app/api/resources/v1/resources/EndpointInfos.java
@@ -84,9 +84,6 @@ public EndpointInfoListResult simpleQuery(
         if (matchTerm != null && !matchTerm.isEmpty()) {
             andPredicate.and(query.matchPredicate(matchTerm));
         }
-        if (matchTerm != null && !matchTerm.isEmpty()) {
-            andPredicate.and(query.matchPredicate(matchTerm));
-        }
         if (!Strings.isNullOrEmpty(sortParam)) {
             query.setSortCriteria(query.fieldSortCriteria(sortParam, sortDir));
         }
diff --git a/rest-api/resources/src/main/java/org/eclipse/kapua/app/api/resources/v1/resources/Roles.java b/rest-api/resources/src/main/java/org/eclipse/kapua/app/api/resources/v1/resources/Roles.java
index 48b32750aa6..a1e453f87ad 100644
--- a/rest-api/resources/src/main/java/org/eclipse/kapua/app/api/resources/v1/resources/Roles.java
+++ b/rest-api/resources/src/main/java/org/eclipse/kapua/app/api/resources/v1/resources/Roles.java
@@ -12,6 +12,21 @@
  *******************************************************************************/
 package org.eclipse.kapua.app.api.resources.v1.resources;
 
+import java.util.List;
+import javax.inject.Inject;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.DefaultValue;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
 import com.google.common.base.Strings;
 import org.eclipse.kapua.KapuaException;
 import org.eclipse.kapua.app.api.core.model.CountResult;
@@ -36,21 +51,6 @@
 import org.eclipse.kapua.service.user.UserQuery;
 import org.eclipse.kapua.service.user.UserService;
 
-import javax.inject.Inject;
-import javax.ws.rs.Consumes;
-import javax.ws.rs.DELETE;
-import javax.ws.rs.DefaultValue;
-import javax.ws.rs.GET;
-import javax.ws.rs.POST;
-import javax.ws.rs.PUT;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.Produces;
-import javax.ws.rs.QueryParam;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import java.util.List;
-
 @Path("{scopeId}/roles")
 public class Roles extends AbstractKapuaResource {
 
@@ -81,6 +81,8 @@ public RoleListResult simpleQuery(
             @QueryParam("name") String name,
             @QueryParam("matchTerm") String matchTerm,
             @QueryParam("askTotalCount") boolean askTotalCount,
+            @QueryParam("sortParam") String sortParam,
+            @QueryParam("sortDir") @DefaultValue("ASCENDING") SortOrder sortDir,
             @QueryParam("offset") @DefaultValue("0") int offset,
             @QueryParam("limit") @DefaultValue("50") int limit) throws KapuaException {
         RoleQuery query = roleFactory.newQuery(scopeId);
@@ -92,6 +94,9 @@ public RoleListResult simpleQuery(
         if (matchTerm != null && !matchTerm.isEmpty()) {
             andPredicate.and(query.matchPredicate(matchTerm));
         }
+        if (!Strings.isNullOrEmpty(sortParam)) {
+            query.setSortCriteria(query.fieldSortCriteria(sortParam, sortDir));
+        }
         query.setPredicate(andPredicate);
 
         query.setAskTotalCount(askTotalCount);
diff --git a/rest-api/resources/src/main/resources/openapi/role/role-scopeId.yaml b/rest-api/resources/src/main/resources/openapi/role/role-scopeId.yaml
index d98f7d20ef3..e4ccca8e8f3 100644
--- a/rest-api/resources/src/main/resources/openapi/role/role-scopeId.yaml
+++ b/rest-api/resources/src/main/resources/openapi/role/role-scopeId.yaml
@@ -36,6 +36,16 @@ paths:
           schema:
             type: string
         - $ref: '../openapi.yaml#/components/parameters/askTotalCount'
+        - $ref: '../openapi.yaml#/components/parameters/sortParam'
+        - name: sortDir
+          in: query
+          description: The sort direction. Can be ASCENDING (default), DESCENDING. Case-insensitive (except for "clientId" parameter).
+          schema:
+            type: string
+            enum:
+              - ASCENDING
+              - DESCENDING
+            default: ASCENDING
         - $ref: '../openapi.yaml#/components/parameters/limit'
         - $ref: '../openapi.yaml#/components/parameters/offset'
       responses: