diff --git a/conf/app.src b/conf/app.src
index b1c9143..183cad6 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -3,3 +3,5 @@ SOURCE_SUM=c2cc99ba7d59e5fadf264cdf40f37af66393d93ec176f5151bf32799599e72fd
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
+SOURCE_FILENAME=
+SOURCE_EXTRACT=true