diff --git a/u_logger.go b/u_logger.go
index 520f9da..f7d7043 100644
--- a/u_logger.go
+++ b/u_logger.go
@@ -1,6 +1,7 @@
 package kerbalwzygo
 
 import (
+	"fmt"
 	"log"
 	"os"
 	"sync"
@@ -31,6 +32,11 @@ func (obj *XLogger) Level() Level {
 	return obj.level
 }
 
+// Printf rewrite for correct 'calldepth' value
+func (obj *XLogger) Printf(format string, v ...interface{}) {
+	_ = obj.Output(3, fmt.Sprintf(format, v...))
+}
+
 func (obj *XLogger) Debug(msg ...interface{}) {
 	if obj.level > Debug {
 		return