diff --git a/app/Models/PatVisitModel.php b/app/Models/PatVisitModel.php
index ef732c2..f703a8d 100644
--- a/app/Models/PatVisitModel.php
+++ b/app/Models/PatVisitModel.php
@@ -33,7 +33,7 @@ class PatVisitModel extends Model {
 
 	public function createPatVisit($input) {
 		try{
-			if(!isset($input['PVID'])) {
+			if(!isset($input['PVID']) || $input['PVID']=='') {
 				$counter = new CounterModel();
         $input['PVID'] = $this->visnum_prefix .$counter->use(2);
 			}