diff --git a/qmk-cmd.go b/qmk-cmd.go
index 021a619..5b8c2c4 100644
--- a/qmk-cmd.go
+++ b/qmk-cmd.go
@@ -286,9 +286,15 @@ func setCfg(dev *QEncDevice, cfg QEncCfg, val uint8) (err error) {
 
 func sendDataWrapper(dev *QEncDevice, data []byte, cmd QEncCmd, id uint32) (ret []byte, err error) {
 	if err = dev.Open(); err != nil {
+		if QEncInfoHandler != nil {
+			QEncInfoHandler(err.Error())
+		}
 		return nil, err
 	}
 	if err = dev.Lock(); err != nil {
+		if QEncInfoHandler != nil {
+			QEncInfoHandler(err.Error())
+		}
 		return nil, err
 	}
 	defer dev.Close()