diff --git a/.gitignore b/.gitignore
index 5a4c211..26bc499 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ advancecomp-1.15.tar.gz
 /advancecomp-1.19.tar.gz
 /advancecomp-1.20.tar.gz
 /advancecomp-1.22.tar.gz
+/advancecomp.spec
diff --git a/advancecomp.spec b/advancecomp.spec
index 599be38..4189d5b 100644
--- a/advancecomp.spec
+++ b/advancecomp.spec
@@ -1,6 +1,6 @@
 Name:           advancecomp
-Version:        1.22
-Release:        1%{?dist}
+Version:        1.20
+Release:        3%{?dist}
 Summary:        Recompression utilities for .PNG, .MNG and .ZIP files
 License:        GPLv3
 URL:            http://www.advancemame.it/
@@ -42,6 +42,9 @@ make check
 %{_mandir}/man1/*
 
 %changelog
+* Sun Nov 13 2016 Christian Dersch <lupinix@mailbox.org> - 1.20-3
+- revert to 1.20, 1.22 does not build and also needs unbundling of libdeflate first
+
 * Sun Nov 13 2016 Christian Dersch <lupinix@mailbox.org> - 1.22-1
 - new version
 
diff --git a/sources b/sources
index 8e31e8c..0bf7ca4 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-2a2a24f79960c0b271d27bab647c43fc  advancecomp-1.22.tar.gz
+0de9352a10833ae2ed0ac5f53c582210  advancecomp.spec