diff --git a/src/main/java/org/gcube/oidc/rest/OpenIdConnectRESTHelper.java b/src/main/java/org/gcube/oidc/rest/OpenIdConnectRESTHelper.java
index b95d125..8c2ba3d 100644
--- a/src/main/java/org/gcube/oidc/rest/OpenIdConnectRESTHelper.java
+++ b/src/main/java/org/gcube/oidc/rest/OpenIdConnectRESTHelper.java
@@ -274,21 +274,24 @@ public class OpenIdConnectRESTHelper {
                 logger.debug("Adding authorization header as: {}", authorization);
                 conn.setRequestProperty("Authorization", authorization);
             }
-            String contentType = conn.getContentType();
-            int contentLength = conn.getContentLength();
-
-            logger.debug("Getting the stream to a {} bytes lenght resource with MIME: {}", contentLength, contentType);
-
-            InputStream is = conn.getInputStream();
-            buffer = new ByteArrayOutputStream();
-            int nRead;
-            byte[] data = new byte[1024];
-            while ((nRead = is.read(data, 0, data.length)) != -1) {
-                buffer.write(data, 0, nRead);
+            if (conn.getResponseCode() == 200) {
+                String contentType = conn.getContentType();
+    
+                logger.debug("Getting the stream to the avatar resource with MIME: {}", contentType);
+    
+                InputStream is = conn.getInputStream();
+                buffer = new ByteArrayOutputStream();
+                int nRead;
+                byte[] data = new byte[1024];
+                while ((nRead = is.read(data, 0, data.length)) != -1) {
+                    buffer.write(data, 0, nRead);
+                }
+    
+                buffer.flush();
+                return buffer.toByteArray();
+            } else {
+                logger.debug("Something wrong on the avatar server. Response code: {}", conn.getResponseCode());
             }
-
-            buffer.flush();
-            return buffer.toByteArray();
         } catch (FileNotFoundException e) {
             logger.debug("User's avatar not found");
         } catch (IOException e) {