diff --git a/controllers/booking.go b/controllers/booking.go
index 891576e..76186bd 100644
--- a/controllers/booking.go
+++ b/controllers/booking.go
@@ -12,7 +12,6 @@ import (
 	oclib "cloud.o-forge.io/core/oc-lib"
 	"cloud.o-forge.io/core/oc-lib/dbs"
 	"cloud.o-forge.io/core/oc-lib/models/booking"
-	b "cloud.o-forge.io/core/oc-lib/models/booking"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
 	"cloud.o-forge.io/core/oc-lib/tools"
 	beego "github.com/beego/beego/v2/server/web"
@@ -156,7 +155,7 @@ func (o *BookingController) Put() {
 		o.ServeJSON()
 		return
 	}
-	booking := book.Data.(*b.Booking)
+	booking := book.Data.(*booking.Booking)
 	if time.Now().After(booking.ExpectedStartDate) {
 		o.Data["json"] = oclib.NewRequest(oclib.LibDataEnum(oclib.BOOKING), user, peerID, groups, nil).UpdateOne(res, id)
 	} else {
@@ -197,8 +196,8 @@ func (o *BookingController) Check() {
 			"error": errors.New("invalid date format"),
 		}
 	} else {
-		booking := &b.Booking{}                                 // create a new booking object
-		isAvailable, err2 := booking.Check(id, date, &date2, 1) // check if the booking is available
+		bks := &booking.Booking{}                           // create a new booking object
+		isAvailable, err2 := bks.Check(id, date, &date2, 1) // check if the booking is available
 		fmt.Println(isAvailable, err2)
 		code := 200
 		err := ""