1 files changed, 1 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/Constants.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/Constants.java
index 1398e2d29..7747ecb43 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/Constants.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/Constants.java
@@ -149,6 +149,7 @@ public final class Constants {
     public static final class key {
         public static final int none = 0;
         public static final int symmetric = -1;
+        public static final int backup_code = -2;
     }
 
 }