diff --git a/uploader/build.gradle b/uploader/build.gradle
index 2eecd7f..36e4b81 100644
--- a/uploader/build.gradle
+++ b/uploader/build.gradle
@@ -18,7 +18,7 @@ task writeVersionFile(
   group: 'build',
   description: 'Write the version to VERSION.txt') { doLast {
 
-  (new File('build/classes/main/VERSION.txt')).text = version
+  (new File("${buildDir}/classes/main/VERSION.txt")).text = version
 } }
 
 build.dependsOn writeVersionFile