diff --git a/src/components/AdSlot/AdSlot.svelte b/src/components/AdSlot/AdSlot.svelte
index c78646f6..57673a83 100644
--- a/src/components/AdSlot/AdSlot.svelte
+++ b/src/components/AdSlot/AdSlot.svelte
@@ -14,15 +14,26 @@
   const adId = getRandomAdId();
 
   onMount(() => {
-    window.graphicsAdQueue = window.graphicsAdQueue || [];
-    window.graphicsAdQueue.push({
+    const adSlot = {
       placementName,
       slotId: adId,
       targeting: {
         div_id: adId,
         type: adType,
       },
-    });
+    };
+    // @ts-ignore
+    const freestar = window?.freestar;
+    // Add adSlot to freestar queue directly if already initialised
+    if (freestar) {
+      freestar.queue.push(function () {
+        freestar.newAdSlots([adSlot], freestar.config.channel);
+      });
+      // ... otherwise add to the graphicsAdQueue queue.
+    } else {
+      window.graphicsAdQueue = window.graphicsAdQueue || [];
+      window.graphicsAdQueue.push(adSlot);
+    }
   });
 </script>
 
diff --git a/src/components/AdSlot/adScripts/bootstrap.ts b/src/components/AdSlot/adScripts/bootstrap.ts
index be41d5ec..02612682 100644
--- a/src/components/AdSlot/adScripts/bootstrap.ts
+++ b/src/components/AdSlot/adScripts/bootstrap.ts
@@ -57,14 +57,6 @@ export const loadBootstrap = () => {
       window.googletag.pubads().collapseEmptyDivs(true);
     });
 
-    if (!Array.isArray((<any>window).graphicsAdQueue)) {
-      console.error('Ad queue not initialized!');
-    }
-
-    freestar.queue.push(function() {
-      freestar.newAdSlots((<any>window).graphicsAdQueue || [], freestar.config.channel);
-    });
-
     // Set page-level key-values
     // cf: https://help.freestar.com/help/using-key-values
     freestar.queue.push(function() {
@@ -81,5 +73,13 @@ export const loadBootstrap = () => {
       window.googletag.pubads().setTargeting('template', 'graphics');
       window.googletag.pubads().setTargeting('graphicId', graphicId);
     });
+
+    if (!Array.isArray((<any>window).graphicsAdQueue)) {
+      console.error('Ad queue not initialized!');
+    }
+
+    freestar.queue.push(function() {
+      freestar.newAdSlots((<any>window).graphicsAdQueue || [], freestar.config.channel);
+    });
   });
 };