diff --git a/app/api/preview/route.ts b/app/api/preview/route.ts
index 9e0b279..1ae7e55 100644
--- a/app/api/preview/route.ts
+++ b/app/api/preview/route.ts
@@ -21,8 +21,9 @@ export async function GET(request: NextRequest, res: NextResponse) {
 	const slug = request.nextUrl.pathname
 
 	const ContentID = searchParams.get('ContentID')
+	const contentID = parseInt(ContentID || "")
 
-	console.log("Preview Request", { agilityPreviewKey, slug, ContentID, url: request.nextUrl.toString() })
+	console.log("Preview Request", { agilityPreviewKey, slug, contentID, url: request.nextUrl.toString() })
 
 
 	//validate our preview key, also validate the requested page to preview exists
@@ -40,8 +41,8 @@ export async function GET(request: NextRequest, res: NextResponse) {
 	let previewUrl = slug;
 
 	//TODO: these kinds of dynamic links should work by default (even outside of preview)
-	if (ContentID) {
-		const dynamicPath = await getDynamicPageURL({ contentID: ContentID, preview: true, slug });
+	if (!isNaN(contentID) && contentID > 0) {
+		const dynamicPath = await getDynamicPageURL({ contentID, preview: true, slug });
 		if (dynamicPath) {
 			previewUrl = dynamicPath;
 		}