diff --git a/src/arkhamdb/ArkhamDb.ttslua b/src/arkhamdb/ArkhamDb.ttslua
index a151de21..3e80625a 100644
--- a/src/arkhamdb/ArkhamDb.ttslua
+++ b/src/arkhamdb/ArkhamDb.ttslua
@@ -70,7 +70,7 @@ do
     }
 
     -- use secondary api (arkham.build) if deckid is too long
-    if string.len(deckId) > 9 then
+    if string.len(deckId) == 15 then
       deckUri = { configuration.api_uri2, deckId }
     end