diff --git a/site/multiembedder/MultiEmbedder.tsx b/site/multiembedder/MultiEmbedder.tsx
index a54d47d2b23..3abc824771e 100644
--- a/site/multiembedder/MultiEmbedder.tsx
+++ b/site/multiembedder/MultiEmbedder.tsx
@@ -9,6 +9,7 @@ import {
     hydrateGlobalEntitySelectorIfAny,
     migrateSelectedEntityNamesParam,
     SelectionArray,
+    migrateGrapherConfigToLatestVersion,
 } from "@ourworldindata/grapher"
 import {
     fetchText,
@@ -200,8 +201,11 @@ class MultiEmbedder {
             } else {
                 configUrl = `${GRAPHER_DYNAMIC_CONFIG_URL}/${slug}.config.json`
             }
-            const grapherPageConfig = await fetchWithRetry(configUrl).then(
-                (res) => res.json()
+            const fetchedGrapherPageConfig = await fetchWithRetry(
+                configUrl
+            ).then((res) => res.json())
+            const grapherPageConfig = migrateGrapherConfigToLatestVersion(
+                fetchedGrapherPageConfig
             )
 
             const figureConfigAttr = figure.getAttribute(