diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/KeychainDatabase.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/KeychainDatabase.java
index 59be5cea2..09e4d6755 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/KeychainDatabase.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/KeychainDatabase.java
@@ -363,6 +363,9 @@ public class KeychainDatabase {
 
             case 29:
                 recreateUnifiedKeyView(db);
+
+            case 30:
+                // ignore. this case only came up in an unreleased beta.
         }
     }