diff --git a/services/src/main/java/org/fao/geonet/api/links/LinksApi.java b/services/src/main/java/org/fao/geonet/api/links/LinksApi.java
index a3141517fe6..46f17469977 100644
--- a/services/src/main/java/org/fao/geonet/api/links/LinksApi.java
+++ b/services/src/main/java/org/fao/geonet/api/links/LinksApi.java
@@ -25,6 +25,8 @@
 
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
+import com.google.gson.Gson;
+
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.Parameters;
@@ -63,6 +65,7 @@
 import org.springframework.jmx.export.naming.SelfNaming;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Service;
+import org.springframework.web.bind.WebDataBinder;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
@@ -71,6 +74,8 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
+
+import java.beans.PropertyEditorSupport;
 import java.io.IOException;
 import java.sql.SQLException;
 import java.util.ArrayDeque;
@@ -445,6 +450,22 @@ private MAnalyseProcess getRegistredMAnalyseProcess() {
         return mAnalyseProcess;
     }
 
+    @InitBinder
+    public void initBinder(WebDataBinder dataBinder) {
+        dataBinder.registerCustomEditor(LinkFilter.class, new PropertyEditorSupport() {
+            Object value;
+            @Override
+            public Object getValue() {
+                return value;
+            }
+
+            @Override
+            public void setAsText(String text) throws IllegalArgumentException {
+                value = new Gson().fromJson(text, LinkFilter.class);
+            }
+        });
+    }
+
     private static class LinkFilter {
         private String url;
         private String lastState;