diff --git a/p4a/pythonforandroid/bootstraps/lbry/build/templates/build.tmpl.gradle b/p4a/pythonforandroid/bootstraps/lbry/build/templates/build.tmpl.gradle
index 5d8b782..e718a8c 100644
--- a/p4a/pythonforandroid/bootstraps/lbry/build/templates/build.tmpl.gradle
+++ b/p4a/pythonforandroid/bootstraps/lbry/build/templates/build.tmpl.gradle
@@ -1,3 +1,9 @@
+// This depends on the openjdk-8-jdk package (Ubuntu) being installed
+compileJava {
+    options.fork = true
+    options.forkOptions.executable = /usr/lib/jvm/java-8-openjdk-amd64/bin/javac
+}
+
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     repositories {