diff --git a/fc_main.js b/fc_main.js
index 1117fbc0..950010e6 100644
--- a/fc_main.js
+++ b/fc_main.js
@@ -1322,7 +1322,11 @@ function isUnavailable(upgrade, upgradeBlacklist) {
     if (upgrade.id == 361) {
         result = true; // blacklist golden cookie sound selector from being used
     }
-
+		
+    if (upgrade.id == 563) {
+        result = true; // blacklist shimmering veil from being used
+    }
+	
     return result;
 }