diff --git a/backend/src/main/java/org/gaucho/courses/controller/service/Proxy.java b/backend/src/main/java/org/gaucho/courses/controller/service/Proxy.java
index 47a6e0c..ba80876 100644
--- a/backend/src/main/java/org/gaucho/courses/controller/service/Proxy.java
+++ b/backend/src/main/java/org/gaucho/courses/controller/service/Proxy.java
@@ -28,7 +28,7 @@ public class Proxy {
      * @param request ServletRequest object
      * @return The response from SERVER.
      */
-    @Cacheable(value="remote-entity", key="#request.getRequestURI()")
+    @Cacheable(value="remote-entity", key="#request.getQueryString()")
     public Object proxyRequest(HttpServletRequest request) {
 
         URI uri;