diff --git a/src/components/AdSlot/adScripts/bootstrap.ts b/src/components/AdSlot/adScripts/bootstrap.ts
index 465816b9..af8b6d74 100644
--- a/src/components/AdSlot/adScripts/bootstrap.ts
+++ b/src/components/AdSlot/adScripts/bootstrap.ts
@@ -69,7 +69,7 @@ export const loadBootstrap = () => {
       // Use the URL path to create a unique ID for the page.
       const graphicId = window.location.pathname.split('/')
         // Get the first lowercase slug in the pathname, which is the graphic UID.
-        .filter(d => d.match(/[a-z0-1]+/) && d !== 'graphics')[0] || 'unknown-graphic';
+        .filter(d => d.match(/[a-z0-9]+/) && d !== 'graphics')[0] || 'unknown-graphic';
       window.googletag.pubads().setTargeting('template', 'graphics');
       window.googletag.pubads().setTargeting('graphicId', graphicId);
     });