diff --git a/src/Security/Authentication/JwtBearer/src/JwtBearerHandler.cs b/src/Security/Authentication/JwtBearer/src/JwtBearerHandler.cs
index 0ad6c8308e2f..fc217fb0643d 100644
--- a/src/Security/Authentication/JwtBearer/src/JwtBearerHandler.cs
+++ b/src/Security/Authentication/JwtBearer/src/JwtBearerHandler.cs
@@ -178,7 +178,7 @@ protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
                     return AuthenticateResult.Fail(authenticationFailedContext.Exception);
                 }
 
-                return AuthenticateResult.Fail("No SecurityTokenValidator available for token: " + token ?? "[null]");
+                return AuthenticateResult.Fail("No SecurityTokenValidator available for token.");
             }
             catch (Exception ex)
             {