diff --git a/log/logger_context.go b/log/logger_context.go
index 06946f47..c2d94dc6 100644
--- a/log/logger_context.go
+++ b/log/logger_context.go
@@ -70,8 +70,8 @@ func (l *LoggerAdapter) BeforeSQL(ctx LogContext) {}
 func (l *LoggerAdapter) AfterSQL(ctx LogContext) {
 	var sessionPart string
 	v := ctx.Ctx.Value(SessionIDKey)
-	if v != nil {
-		sessionPart = fmt.Sprintf(" [%s]", v.(string))
+	if key, ok := v.(string); ok {
+		sessionPart = fmt.Sprintf(" [%s]", key)
 	}
 	if ctx.ExecuteTime > 0 {
 		l.logger.Infof("[SQL]%s %s %v - %v", sessionPart, ctx.SQL, ctx.Args, ctx.ExecuteTime)
diff --git a/xorm.go b/xorm.go
index e9cd7415..2fe32e50 100644
--- a/xorm.go
+++ b/xorm.go
@@ -51,6 +51,7 @@ func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
 		driverName:     driverName,
 		dataSourceName: dataSourceName,
 		db:             db,
+		logSessionID:   false,
 	}
 
 	if dialect.URI().DBType == schemas.SQLITE {