diff --git a/models/workflow/workflow.go b/models/workflow/workflow.go
index 1d4a0a0..b1c1f26 100644
--- a/models/workflow/workflow.go
+++ b/models/workflow/workflow.go
@@ -86,7 +86,7 @@ func (wfa *Workflow) CheckBooking(subPath string) (bool, error) {
 }
 
 func (wfa *Workflow) getFormat(date *time.Time) string {
-	month := fmt.Sprintf("%v", date.Month())
+	month := fmt.Sprintf("%v", int(date.Month()))
 	day := fmt.Sprintf("%v", date.Day())
 	hour := fmt.Sprintf("%v", date.Hour())
 	minute := fmt.Sprintf("%v", date.Minute())