diff --git a/app/Models/Service.php b/app/Models/Service.php
index 6591eb6..c7b1708 100644
--- a/app/Models/Service.php
+++ b/app/Models/Service.php
@@ -562,7 +562,7 @@ class Service extends Model
 
 			// Half Yearly
 			case 3:
-				$d = $this->invoice_next->addHalf()->startOfHalf()->diff($this->invoice_next_end->startOfHalf())->days;
+				$d = $this->invoice_next->addQuarter(2)->startOfHalf()->diff($this->invoice_next_end->startOfHalf())->days;
 				break;
 
 			// Yearly