diff --git a/src/components/StarRating.astro b/src/components/StarRating.astro
index d7d8789..fd66b85 100644
--- a/src/components/StarRating.astro
+++ b/src/components/StarRating.astro
@@ -2,7 +2,7 @@
 interface Props {
 	value: number;
     max: number;
-    backgroundColor: string;
+    overlayColor: string;
 }
 
 const { value = 0, max = 5, overlayColor = '#fff' } = Astro.props;
diff --git a/src/pages/[productLookup].astro b/src/pages/[productLookup].astro
index c446e87..e34ccd2 100644
--- a/src/pages/[productLookup].astro
+++ b/src/pages/[productLookup].astro
@@ -65,7 +65,7 @@ const category = categories.find(c => c.id == product.categoryId)!;
 				<p>
 					{product?.productDetails?.description && product?.productDetails?.description}
 				</p>
-				<a href={product?.amazonLink} class="btn btn-primary">{formatAsCurrency(product?.productDetails?.price)} On Amazon <span>&rarr;</span></a>
+				<a href={product?.amazonLink} class="btn btn-primary">{formatAsCurrency(product?.productDetails?.price||0)} On Amazon <span>&rarr;</span></a>
 			</div>
 		</div>
 		<br />