diff --git a/config.json b/config.json
index 251cbb0..5de1d01 100644
--- a/config.json
+++ b/config.json
@@ -6,7 +6,7 @@
   "refreshDuration": 30,
   "maxAge": 604800,
   "extraCards": [
-    "<img src='sharepic.jpg' style='max-width: 100%;max-height: 100%;vertical-align: middle;'>"
+    "<img src='sharepic.png' style='max-width: 100%;max-height: 100%;vertical-align: middle;'>"
   ],
   "includeReplies": true
 }
diff --git a/script.js b/script.js
index af3bfbc..d330870 100644
--- a/script.js
+++ b/script.js
@@ -77,7 +77,7 @@ const fetchConfig = async function() {
         duration = 10000;
         refresh = 30000;
         extraCards = [
-            "<div><img src='sharepic.jpg' style='max-width: 100%;max-height: 100%'></div>"
+            "<div><img src='sharepic.png' style='max-width: 100%;max-height: 100%'></div>"
         ];
         return "https://gruene.social";
     }
diff --git a/sharepic.png b/sharepic.png
new file mode 100644
index 0000000..5335a3a
Binary files /dev/null and b/sharepic.png differ