diff --git a/metadata/ch.abertschi.adfree.yml b/metadata/ch.abertschi.adfree.yml
index 07d3152911..23a438b083 100644
--- a/metadata/ch.abertschi.adfree.yml
+++ b/metadata/ch.abertschi.adfree.yml
@@ -128,6 +128,10 @@ Builds:
     versionCode: 40
     commit: d9384afbfec779172ec2786487898226be085d30
     subdir: app
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     gradle:
       - yes
     scandelete: