diff --git a/package.json b/package.json
index dbda76f..75965a9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@pixeldrive/peppol-toolkit",
-    "version": "0.8.3",
+    "version": "0.8.4",
     "description": "A TypeScript toolkit for building and reading peppol UBL documents",
     "keywords": [
         "peppol",
diff --git a/src/builder/DocumentBuilder.ts b/src/builder/DocumentBuilder.ts
index 85c7b4a..dae180f 100644
--- a/src/builder/DocumentBuilder.ts
+++ b/src/builder/DocumentBuilder.ts
@@ -1143,7 +1143,7 @@ export class DocumentBuilder {
             },
             'cac:Price': {
                 'cbc:PriceAmount': {
-                    '#text': line.price.toFixed(2),
+                    '#text': String(line.price),
                     ...XMLAttributes({
                         currencyID: line.currency,
                     }),
diff --git a/tests/builder-creditnote.test.ts b/tests/builder-creditnote.test.ts
index 3e87a3a..1e8c9fb 100644
--- a/tests/builder-creditnote.test.ts
+++ b/tests/builder-creditnote.test.ts
@@ -132,4 +132,20 @@ describe('Creditnote Builder', () => {
             /<cac:TaxRepresentativeParty>\s*<cac:Party>/
         );
     });
+
+    it('should preserve line price precision in PriceAmount', () => {
+        const creditNoteXML = toolkit.creditNoteToPeppolUBL({
+            ...basicCreditNote,
+            creditNoteLines: [
+                {
+                    ...basicCreditNote.creditNoteLines[0],
+                    price: 10.129,
+                },
+            ],
+        });
+
+        expect(creditNoteXML).toContain(
+            '<cbc:PriceAmount currencyID="EUR">10.129</cbc:PriceAmount>'
+        );
+    });
 });
diff --git a/tests/builder-invoice.test.ts b/tests/builder-invoice.test.ts
index 341d0f4..11f06a8 100644
--- a/tests/builder-invoice.test.ts
+++ b/tests/builder-invoice.test.ts
@@ -148,4 +148,20 @@ describe('Invoices Builder', () => {
             /<cac:TaxRepresentativeParty>\s*<cac:Party>/
         );
     });
+
+    it('should preserve line price precision in PriceAmount', () => {
+        const invoiceXML = toolkit.invoiceToPeppolUBL({
+            ...basicInvoice,
+            invoiceLines: [
+                {
+                    ...basicInvoice.invoiceLines[0],
+                    price: 10.129,
+                },
+            ],
+        });
+
+        expect(invoiceXML).toContain(
+            '<cbc:PriceAmount currencyID="EUR">10.129</cbc:PriceAmount>'
+        );
+    });
 });