diff --git a/store2store/src/main/java/com/playmoweb/store2store/utils/Filter.java b/store2store/src/main/java/com/playmoweb/store2store/utils/Filter.java
index 06b33e7..d332234 100644
--- a/store2store/src/main/java/com/playmoweb/store2store/utils/Filter.java
+++ b/store2store/src/main/java/com/playmoweb/store2store/utils/Filter.java
@@ -49,7 +49,7 @@ public <T> Filter add(String key, FilterType type, T[] values) {
     /**
      * Immutable KeyValuePair class
      */
-    static class KeyValuePair<T> {
+    public static class KeyValuePair<T> {
         final FilterType filterType;
         final T value;