diff --git a/metadata/hashengineering.darkcoin.wallet.yml b/metadata/hashengineering.darkcoin.wallet.yml
index e75270ee15..ac76756203 100644
--- a/metadata/hashengineering.darkcoin.wallet.yml
+++ b/metadata/hashengineering.darkcoin.wallet.yml
@@ -106,7 +106,7 @@ Builds:
     scandelete:
       - wallet/test/de/schildbach/wallet/util/backup-protobuf-testnet
       - wallet/test/de/schildbach/wallet/util/bitcoin-backup-protobuf-testnet
-    ndk: r21
+    ndk: r21d
 
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