diff --git a/sync-service/src/main/java/com/teterialosjuanjos/tfg/sync_service/integration/prestashop/PrestashopClient.java b/sync-service/src/main/java/com/teterialosjuanjos/tfg/sync_service/integration/prestashop/PrestashopClient.java
index e42ad17..d5f2a84 100644
--- a/sync-service/src/main/java/com/teterialosjuanjos/tfg/sync_service/integration/prestashop/PrestashopClient.java
+++ b/sync-service/src/main/java/com/teterialosjuanjos/tfg/sync_service/integration/prestashop/PrestashopClient.java
@@ -264,6 +264,13 @@ public class PrestashopClient {
         sb.append("<name><language id=\"1\">").append(escapeXml(name)).append("</language></name>");
         sb.append("<description><language id=\"1\">").append(escapeXml(description)).append("</language></description>");
         sb.append("<description_short><language id=\"1\">").append(escapeXml(descShort)).append("</language></description_short>");
+        if (dto.idCategoryDefault() != null) {
+            sb.append("<associations>");
+            sb.append("<categories nodeType=\"category\" api=\"categories\">");
+            sb.append("<category><id>").append(escapeXml(dto.idCategoryDefault())).append("</id></category>");
+            sb.append("</categories>");
+            sb.append("</associations>");
+        }
         sb.append("</product>");
         sb.append("</prestashop>");
         return sb.toString();