--- amsynth-1.8.0/Makefile.am	2017-06-25 22:29:19.000000000 +0200
+++ amsynth.new/Makefile.am	2017-06-26 11:21:45.823110134 +0200
@@ -296,7 +296,7 @@
 appdata_in_files += data/dssi-amsynth-plugin.metainfo.xml.in
 appdata_in_files += data/lv2-amsynth-plugin.metainfo.xml.in
 appdata_in_files += data/vst-amsynth-plugin.metainfo.xml.in
-appdata_DATA = $(appdata_in_files:.appdata.xml.in=.appdata.xml)
+appdata_DATA = $(appdata_in_files:.xml.in=.xml)
 @INTLTOOL_XML_RULE@
 
 EXTRA_DIST += $(appdata_in_files)