diff --git a/assets/images/thumb.png b/assets/images/thumb.png
new file mode 100644
index 0000000..140dede
Binary files /dev/null and b/assets/images/thumb.png differ
diff --git a/game.html b/game.html
index fe93309..4d4a7ec 100644
--- a/game.html
+++ b/game.html
@@ -25,7 +25,7 @@
     <meta name="author" content="Duc Luu Van" />
     <meta property="og:title" content="VIGUESSR - Play Now" />
     <meta property="og:description" content="Choose your city and guess the location of the picture. Play VIGUESSR now!" />
-    <meta property="og:image" content="logo.png" />
+    <meta property="og:image" content="/assets/images/thumb.png" />
     <meta property="og:type" content="website" />
     <meta property="og:url" content="https://yourdomain.com/" />
     <meta name="twitter:card" content="summary_large_image" />
diff --git a/index.html b/index.html
index 9e50c16..b48e51d 100644
--- a/index.html
+++ b/index.html
@@ -13,7 +13,7 @@
     <meta name="author" content="Duc Luu Van" />
     <meta property="og:title" content="VIGUESSR - Play Now" />
     <meta property="og:description" content="Choose your city and guess the location of the picture. Play VIGUESSR now!" />
-    <meta property="og:image" content="logo.png" />
+    <meta property="og:image" content="/assets/images/thumb.png" />
     <meta property="og:type" content="website" />
     <meta property="og:url" content="https://yourdomain.com/" />
     <meta name="twitter:card" content="summary_large_image" />