diff --git a/metadata/net.taler.cashier.yml b/metadata/net.taler.cashier.yml
index 9bcfbe1883..cf4cc28107 100644
--- a/metadata/net.taler.cashier.yml
+++ b/metadata/net.taler.cashier.yml
@@ -31,10 +31,14 @@ Builds:
     commit: 88fd7c5679b6b39496f6c0b4834c2ff68a8734ba
     subdir: cashier
     submodules: true
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     gradle:
       - yes
     rm:
-      - multiplatform/wallet
+      - wallet
 
 AutoUpdateMode: Version cashier-%v
 UpdateCheckMode: Tags ^cashier-v?[0-9.]+$