diff --git a/src/Microsoft.AspNetCore.Authentication.JwtBearer/LoggingExtensions.cs b/src/Microsoft.AspNetCore.Authentication.JwtBearer/LoggingExtensions.cs
index 008190f516e5..38a75fecafdf 100644
--- a/src/Microsoft.AspNetCore.Authentication.JwtBearer/LoggingExtensions.cs
+++ b/src/Microsoft.AspNetCore.Authentication.JwtBearer/LoggingExtensions.cs
@@ -16,7 +16,7 @@ static LoggingExtensions()
             _tokenValidationFailed = LoggerMessage.Define<string>(
                 eventId: 1,
                 logLevel: LogLevel.Information,
-                formatString: "Failed to validate the token {Token}.");
+                formatString: "Failed to validate the token {Token}");
             _tokenValidationSucceeded = LoggerMessage.Define(
                 eventId: 2,
                 logLevel: LogLevel.Information,