diff --git a/obsgendiff b/obsgendiff
index d9462f5..faf60c9 100644
--- a/obsgendiff
+++ b/obsgendiff
@@ -36,14 +36,13 @@ done
 
 # create changelogs based on the packaged rpms
 mkdir -p $out/{changelogs,disturl}
-for packages in /.build.packages/KIWI/*.packages; do
-  cat "$packages" | while read line; do
-    IFS='|' read -r -a a <<< "$line"
-    name="${a[0]}"
-    rpm="${name}.rpm"
-
-    # only the worker knows where it was downloaded from....
-    file=`find /.build.packages/SOURCES/repos/ -name $rpm`
+for report in /.build.packages/OTHER/*.report; do
+  sed -n -e 's,.*<binary .*obs://\(.*\)</binary>,\1,p' "$report" | while read rpm; do
+    name="${rpm##*/}"
+    name="${name%-*}"
+    name="${name%-*}"
+    # construct the full file name
+    file=`find /.build.packages/SOURCES/repos/$rpm`
     rpm -qp "$file" --changelog 2>/dev/null > $out/changelogs/${name}
     rpm -qp "$file" --qf '%{DISTURL}\n' 2>/dev/null > $out/disturl/${name}
   done
diff --git a/release-compare.changes b/release-compare.changes
index 2c0e45d..a646afd 100644
--- a/release-compare.changes
+++ b/release-compare.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Aug 19 09:13:35 UTC 2020 - Adrian Schröter <adrian@suse.de>
+
+- running based on .report instead of .packages files
+
 -------------------------------------------------------------------
 Mon Feb  3 14:11:03 UTC 2020 - Adrian Schröter <adrian@suse.de>