diff --git a/account_invoices.go b/account_invoices.go
index fb50db451..8412e1a2c 100644
--- a/account_invoices.go
+++ b/account_invoices.go
@@ -29,7 +29,7 @@ type InvoiceTaxSummary struct {
 type InvoiceItem struct {
 	Label     string     `json:"label"`
 	Type      string     `json:"type"`
-	UnitPrice float32    `json:"unit_price"`
+	UnitPrice string     `json:"unit_price"`
 	Quantity  int        `json:"quantity"`
 	Amount    float32    `json:"amount"`
 	Tax       float32    `json:"tax"`
diff --git a/test/unit/account_invoices_test.go b/test/unit/account_invoices_test.go
index 55b0dc800..b2d90275e 100644
--- a/test/unit/account_invoices_test.go
+++ b/test/unit/account_invoices_test.go
@@ -83,5 +83,5 @@ func TestAccountInvoiceItems_List(t *testing.T) {
 	assert.Equal(t, float32(1.25), invoiceItem.Tax)
 	assert.Equal(t, float32(21.45), invoiceItem.Total)
 	assert.Equal(t, "hourly", invoiceItem.Type)
-	assert.Equal(t, float32(5.05), invoiceItem.UnitPrice)
+	assert.Equal(t, "5.05", invoiceItem.UnitPrice)
 }
diff --git a/test/unit/fixtures/account_invoice_items_list.json b/test/unit/fixtures/account_invoice_items_list.json
index b9623f4a8..f963c9d82 100644
--- a/test/unit/fixtures/account_invoice_items_list.json
+++ b/test/unit/fixtures/account_invoice_items_list.json
@@ -10,7 +10,7 @@
       "to": "2018-01-31T11:59:59",
       "total": 21.45,
       "type": "hourly",
-      "unit_price": 5.05
+      "unit_price": "5.05"
     }
   ],
   "page": 1,