diff --git a/src/Aneejian.Games.ClickMatch.Client/wwwroot/index.html b/src/Aneejian.Games.ClickMatch.Client/wwwroot/index.html
index f6435bd..de31e88 100644
--- a/src/Aneejian.Games.ClickMatch.Client/wwwroot/index.html
+++ b/src/Aneejian.Games.ClickMatch.Client/wwwroot/index.html
@@ -13,6 +13,7 @@
       content="Click & Match is a simple and fun memory game. The objective of the game is to match pairs of cards. How many levels can you beat?" />
 
     <!-- Open Graph / Facebook -->
+    <meta content="819231514810191" property="fb:app_id" />
     <meta property="og:type" content="website" />
     <meta property="og:url" content="https://aneejian.com/ClickMatch/" />
     <meta property="og:title" content="Click & Match | Aneejian" />