diff --git a/src/main/java/org/gcube/oidc/rest/JWTToken.java b/src/main/java/org/gcube/oidc/rest/JWTToken.java
index ff16a7b..c304d42 100644
--- a/src/main/java/org/gcube/oidc/rest/JWTToken.java
+++ b/src/main/java/org/gcube/oidc/rest/JWTToken.java
@@ -26,7 +26,7 @@ public class JWTToken implements Serializable {
     public static final String ACCOUNT_RESOURCE = "account";
 
     private String raw;
-    private JSONObject token;
+    private JSONObject tokens;
     private JSONObject payload;
 
     public static JWTToken fromString(String tokenString) {
@@ -47,7 +47,7 @@ public class JWTToken implements Serializable {
     }
 
     private void parse() throws ParseException {
-        token = (JSONObject) new JSONParser().parse(this.raw);
+        tokens = (JSONObject) new JSONParser().parse(this.raw);
         String[] parts = getAccessTokenString().split("\\.");
         payload = (JSONObject) new JSONParser().parse(new String(Base64.getDecoder().decode(parts[1])));
     }
@@ -57,11 +57,11 @@ public class JWTToken implements Serializable {
     }
 
     public String getAccessTokenString() {
-        return (String) token.get("access_token");
+        return (String) tokens.get("access_token");
     }
 
     public String getRefreshTokenString() {
-        return (String) token.get("refresh_token");
+        return (String) tokens.get("refresh_token");
     }
 
     /**