diff --git a/token/src/main/java/com/networknt/oauth/token/handler/Oauth2TokenPostHandler.java b/token/src/main/java/com/networknt/oauth/token/handler/Oauth2TokenPostHandler.java
index aa627dd6..67a2f7f3 100644
--- a/token/src/main/java/com/networknt/oauth/token/handler/Oauth2TokenPostHandler.java
+++ b/token/src/main/java/com/networknt/oauth/token/handler/Oauth2TokenPostHandler.java
@@ -428,7 +428,7 @@ private Map<String, Object> handleRefreshToken(HttpServerExchange exchange, Map<
                     newToken.setRoles(roles);
                     newToken.setClientId(client.getClientId());
                     newToken.setScope(scope);
-                    tokens.put(refreshToken, newToken);
+                    tokens.put(newRefreshToken, newToken);
                     // if the client type is external, save the jwt to reference map and send the reference
                     if(Client.ClientTypeEnum.EXTERNAL == client.getClientType()) {
                         jwt = jwtReference(jwt, client.getDerefClientId());