diff --git a/docker/nginx/conf.dev b/docker/nginx/conf.dev
index ea1011924..928f7e682 100644
--- a/docker/nginx/conf.dev
+++ b/docker/nginx/conf.dev
@@ -83,7 +83,7 @@ http {
             proxy_pass   http://funkwhale-front/front/;
         }
         location /front/embed.html {
-            add_header Content-Security-Policy "default-src 'self'; script-src 'self' unpkg.com 'unsafe-inline' 'unsafe-eval'; style-src https: http: 'self' 'unsafe-inline'; img-src https: http: 'self' data:; font-src https: http: 'self' data:; object-src 'none'; media-src https: http: 'self' data:";
+            add_header Content-Security-Policy "connect-src https: http: 'self'; default-src 'self'; script-src 'self' unpkg.com 'unsafe-inline' 'unsafe-eval'; style-src https: http: 'self' 'unsafe-inline'; img-src https: http: 'self' data:; font-src https: http: 'self' data:; object-src 'none'; media-src https: http: 'self' data:";
             add_header Referrer-Policy "strict-origin-when-cross-origin";
             add_header X-Frame-Options "" always;
             proxy_pass   http://funkwhale-front/front/embed.html;
diff --git a/front/public/embed.html b/front/public/embed.html
index a3369ca10..001ec2959 100644
--- a/front/public/embed.html
+++ b/front/public/embed.html
@@ -45,7 +45,7 @@
     }
 
     if (type === 'artist') {
-      fetchArtistCover(id)
+      fetchArtistCover(id).catch(() => undefined)
     }
 
     // Tracks
@@ -111,6 +111,7 @@
 
       if (response.status > 299) {
         switch (response.status) {
+          case 400:
           case 404:
             error.value = `${type} not found.`
             break
@@ -162,7 +163,10 @@
 
     // NOTE: Fetch tracks only if there is no error
     if (error.value === false) {
-      fetchTracks()
+      fetchTracks().catch(err => {
+        console.error(err)
+        error.value = `An unknown error occurred while loading ${type} data.`
+      })
     }
 
     // Duration