diff --git a/src/pages/product-options/product-option-form/ProductOptionFormPage.tsx b/src/pages/product-options/product-option-form/ProductOptionFormPage.tsx
index b3d0767..57af3da 100644
--- a/src/pages/product-options/product-option-form/ProductOptionFormPage.tsx
+++ b/src/pages/product-options/product-option-form/ProductOptionFormPage.tsx
@@ -131,7 +131,8 @@ const ProductOptionFormPage = () => {
                 url: result.url
             };
             setUploadedImage(imageData);
-            setValue('maintenance.image', result.id, { shouldValidate: true, shouldDirty: true });
+            // Store the file URL (not the internal id) in the form state so the backend receives the URL
+            setValue('maintenance.image', result.url, { shouldValidate: true, shouldDirty: true });
             return result;
         } catch (error) {
             console.error('Upload error:', error);