diff --git a/integration/adapter-core/src/main/java/org/keycloak/adapters/BearerTokenRequestAuthenticator.java b/integration/adapter-core/src/main/java/org/keycloak/adapters/BearerTokenRequestAuthenticator.java
index a1a68df..5730ca6 100755
--- a/integration/adapter-core/src/main/java/org/keycloak/adapters/BearerTokenRequestAuthenticator.java
+++ b/integration/adapter-core/src/main/java/org/keycloak/adapters/BearerTokenRequestAuthenticator.java
@@ -64,6 +64,7 @@ public class BearerTokenRequestAuthenticator {
protected AuthOutcome authenticateToken(HttpFacade exchange, String tokenString) {
try {
+ this.tokenString = tokenString;
token = RSATokenVerifier.verifyToken(tokenString, deployment.getRealmKey(), deployment.getRealmInfoUrl());
} catch (VerificationException e) {
log.error("Failed to verify token", e);