diff --git a/app/Models/Invoice.php b/app/Models/Invoice.php
index ee91bc8afab1..97079eb42416 100644
--- a/app/Models/Invoice.php
+++ b/app/Models/Invoice.php
@@ -194,13 +194,17 @@ class Invoice extends EntityModel implements BalanceAffecting
 
     public function updatePaidStatus($save = true)
     {
-        if ($this->isPaid() && $this->balance > 0) {
-            $this->invoice_status_id = ($this->balance == $this->amount ? INVOICE_STATUS_SENT : INVOICE_STATUS_PARTIAL);
-            if ($save) {
-                $this->save();
-            }
-        } elseif ($this->invoice_status_id && $this->amount > 0 && $this->balance == 0 && $this->invoice_status_id != INVOICE_STATUS_PAID) {
-            $this->invoice_status_id = INVOICE_STATUS_PAID;
+        $statusId = false;
+        if ($this->amount > 0 && $this->balance == 0) {
+            $statusId = INVOICE_STATUS_PAID;
+        } elseif ($this->balance > 0 && $this->balance < $this->amount) {
+            $statusId = INVOICE_STATUS_PARTIAL;
+        } elseif ($this->isPartial() && $this->balance > 0) {
+            $statusId = ($this->balance == $this->amount ? INVOICE_STATUS_SENT : INVOICE_STATUS_PARTIAL);
+        }
+
+        if ($statusId && $statusId != $this->invoice_status_id) {
+            $this->invoice_status_id = $statusId;
             if ($save) {
                 $this->save();
             }
@@ -263,6 +267,11 @@ class Invoice extends EntityModel implements BalanceAffecting
         return $this->invoice_status_id >= INVOICE_STATUS_VIEWED;
     }
 
+    public function isPartial()
+    {
+        return $this->invoice_status_id >= INVOICE_STATUS_PARTIAL;
+    }
+
     public function isPaid()
     {
         return $this->invoice_status_id >= INVOICE_STATUS_PAID;