diff --git a/app/pages/product/[id]/edit.vue b/app/pages/product/[id]/edit.vue
index 0fda70e..7b68ee7 100644
--- a/app/pages/product/[id]/edit.vue
+++ b/app/pages/product/[id]/edit.vue
@@ -691,7 +691,11 @@ const submitEdition = async () => {
     constructeurIds,
   }
 
-  const rawPrice = editionForm.supplierPrice.trim()
+  const rawPrice = typeof editionForm.supplierPrice === 'string'
+    ? editionForm.supplierPrice.trim()
+    : editionForm.supplierPrice === null || editionForm.supplierPrice === undefined
+      ? ''
+      : String(editionForm.supplierPrice).trim()
   payload.supplierPrice = rawPrice
     ? Number.isNaN(Number(rawPrice))
       ? null