diff --git a/src/main/java/dev/struchkov/haiti/filter/quarkus/QuarkusFilter.java b/src/main/java/dev/struchkov/haiti/filter/quarkus/QuarkusFilter.java
index aa85aac..e770360 100644
--- a/src/main/java/dev/struchkov/haiti/filter/quarkus/QuarkusFilter.java
+++ b/src/main/java/dev/struchkov/haiti/filter/quarkus/QuarkusFilter.java
@@ -14,6 +14,7 @@ import org.jooq.DSLContext;
 import org.jooq.Query;
 import org.jooq.conf.ParamType;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 import java.util.function.Consumer;
@@ -29,6 +30,7 @@ public class QuarkusFilter<ID> {
     private final PgPool pgPool;
     private final CriteriaJooqFilter jooqFilter;
     private PageableOffset offset;
+    private final List<String> sortFieldNames = new ArrayList<>();
 
     private QuarkusFilter(PgPool pgPool, String table, DSLContext dslContext) {
         dslContext.settings().withParamType(ParamType.NAMED_OR_INLINED);
@@ -79,17 +81,26 @@ public class QuarkusFilter<ID> {
     }
 
     public QuarkusFilter<ID> sort(SortContainer container) {
-        jooqFilter.sort(container);
+        if (container != null && container.getFieldName() != null) {
+            jooqFilter.sort(container);
+            sortFieldNames.add(container.getFieldName());
+        }
         return this;
     }
 
     public QuarkusFilter<ID> sort(String field, SortType sortType) {
-        jooqFilter.sort(field, sortType);
+        if (field != null) {
+            jooqFilter.sort(field, sortType);
+            sortFieldNames.add(field);
+        }
         return this;
     }
 
     public QuarkusFilter<ID> sort(String field) {
-        jooqFilter.sort(field);
+        if (field != null) {
+            jooqFilter.sort(field);
+            sortFieldNames.add(field);
+        }
         return this;
     }
 
@@ -125,6 +136,7 @@ public class QuarkusFilter<ID> {
 
     public Uni<FilterResult<ID>> filterResult(Class<ID> idType, String idField) {
         jooqFilter.groupBy(idField);
+        jooqFilter.groupBy(sortFieldNames);
         distinctCount = true;
         final Uni<Long> count = count();
         final Uni<List<ID>> content = build(idType, idField);