diff --git a/app/Transformers/RecurringInvoiceTransformer.php b/app/Transformers/RecurringInvoiceTransformer.php
index b91c46c046d6..1458595b8792 100644
--- a/app/Transformers/RecurringInvoiceTransformer.php
+++ b/app/Transformers/RecurringInvoiceTransformer.php
@@ -83,8 +83,8 @@ class RecurringInvoiceTransformer extends EntityTransformer
             'id' => $this->encodePrimaryKey($invoice->id),
             'user_id' => $this->encodePrimaryKey($invoice->user_id),
             'assigned_user_id' => $this->encodePrimaryKey($invoice->assigned_user_id),
-            'amount' => (float) $invoice->amount ?: '',
-            'balance' => (float) $invoice->balance ?: '',
+            'amount' => (float) $invoice->amount,
+            'balance' => (float) $invoice->balance,
             'client_id' => (string) $invoice->client_id,
             'vendor_id' => (string) $this->encodePrimaryKey($invoice->vendor_id),
             'status_id' => (string) ($invoice->status_id ?: 1),
@@ -94,7 +94,7 @@ class RecurringInvoiceTransformer extends EntityTransformer
             'archived_at' => (int) $invoice->deleted_at,
             'is_deleted' => (bool) $invoice->is_deleted,
             'number' => $invoice->number ?: '',
-            'discount' => (float) $invoice->discount ?: '',
+            'discount' => (float) $invoice->discount,
             'po_number' => $invoice->po_number ?: '',
             'date' => $invoice->date ?: '',
             'last_sent_date' => $invoice->last_sent_date ?: '',
@@ -105,11 +105,11 @@ class RecurringInvoiceTransformer extends EntityTransformer
             'private_notes' => $invoice->private_notes ?: '',
             'uses_inclusive_taxes' => (bool) $invoice->uses_inclusive_taxes,
             'tax_name1' => $invoice->tax_name1 ? $invoice->tax_name1 : '',
-            'tax_rate1' => (float) $invoice->tax_rate1 ?: '',
+            'tax_rate1' => (float) $invoice->tax_rate1,
             'tax_name2' => $invoice->tax_name2 ? $invoice->tax_name2 : '',
-            'tax_rate2' => (float) $invoice->tax_rate2 ?: '',
+            'tax_rate2' => (float) $invoice->tax_rate2,
             'tax_name3' => $invoice->tax_name3 ? $invoice->tax_name3 : '',
-            'tax_rate3' => (float) $invoice->tax_rate3 ?: '',
+            'tax_rate3' => (float) $invoice->tax_rate3,
             'total_taxes' => (float) $invoice->total_taxes,
             'is_amount_discount' => (bool) ($invoice->is_amount_discount ?: false),
             'footer' => $invoice->footer ?: '',