diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index d817368..2e39691 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -81,7 +81,8 @@
       "Bash(git commit -m 'Fix: Refresh page after updating order tracking details *)",
       "Bash(git commit -m 'Fix: Remove function prop from client component *)",
       "Bash(git commit -m 'Fix: Import revalidatePath from correct module *)",
-      "Bash(git commit -m 'Fix: Route photo requests to design canvas instead of approval upload *)"
+      "Bash(git commit -m 'Fix: Route photo requests to design canvas instead of approval upload *)",
+      "Bash(git commit -m 'Fix: Pass photo request ID instead of data URL *)"
     ]
   }
 }
diff --git a/src/app/admin/custom-requests/[id]/page.tsx b/src/app/admin/custom-requests/[id]/page.tsx
index 006e523..8a66d7e 100644
--- a/src/app/admin/custom-requests/[id]/page.tsx
+++ b/src/app/admin/custom-requests/[id]/page.tsx
@@ -19,7 +19,7 @@ export default async function CustomRequestDetailPage({ params }: { params: { id
   const whatsappMessage = `Hi ${request.customerName}, thanks for sending over your photo for a ${request.product.name} — we're working on it!`;
 
   const designParams = new URLSearchParams({
-    customPhoto: request.imageDataUrl,
+    customRequestId: request.id,
   });
 
   return (
diff --git a/src/app/made-to-order/[slug]/page.tsx b/src/app/made-to-order/[slug]/page.tsx
index 2c479ee..a4e377e 100644
--- a/src/app/made-to-order/[slug]/page.tsx
+++ b/src/app/made-to-order/[slug]/page.tsx
@@ -12,7 +12,7 @@ export default async function ProductDetailPage({
   searchParams,
 }: {
   params: { slug: string };
-  searchParams: { customPhoto?: string };
+  searchParams: { customRequestId?: string };
 }) {
   const activePromotions = await fetchActivePromotions();
 
@@ -27,9 +27,20 @@ export default async function ProductDetailPage({
   });
   const related = relatedRows.map((p) => toProductDTO(p, activePromotions));
 
+  // Fetch custom photo from request if customRequestId is provided
+  let customPhoto: string | undefined;
+  if (searchParams.customRequestId) {
+    const customRequest = await prisma.customRequest.findUnique({
+      where: { id: searchParams.customRequestId },
+    });
+    if (customRequest) {
+      customPhoto = customRequest.imageDataUrl;
+    }
+  }
+
   return (
     <div className="mx-auto max-w-6xl px-6 py-12">
-      <DesignCanvas product={product} customPhoto={searchParams.customPhoto} />
+      <DesignCanvas product={product} customPhoto={customPhoto} />
 
       {related.length > 0 && (
         <section className="mt-20 border-t border-line pt-12">