diff --git a/conf/app.src b/conf/app.src
index b85d866..c8a52f3 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,6 +1,6 @@
 SOURCE_URL=https://github.com/Piwigo/Piwigo/archive/refs/tags/11.5.0.tar.gz
 SOURCE_SUM=bb781123b5f35b17fe13550284f0a2a9c89182998755df81a2f03251da403ff3
 SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=zip
+SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
 SOURCE_FILENAME=