diff --git a/texlive-filesystem.changes b/texlive-filesystem.changes
index b9b9f8c..f6ef3c6 100644
--- a/texlive-filesystem.changes
+++ b/texlive-filesystem.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jan 16 12:02:43 UTC 2020 - Dr. Werner Fink <werner@suse.de>
+
+- Be sure that owner of ls-R files are corrected even on update
+  of already existing texlive filesystem
+
 -------------------------------------------------------------------
 Fri Jan 10 12:35:50 UTC 2020 - Dr. Werner Fink <werner@suse.de>
 
diff --git a/texlive-filesystem.spec b/texlive-filesystem.spec
index ea70507..9b029e8 100644
--- a/texlive-filesystem.spec
+++ b/texlive-filesystem.spec
@@ -15387,6 +15387,19 @@ popd
 
 %pre
 %{_bindir}/getent group %{texgrp} > /dev/null 2>&1 || %{_sbindir}/groupadd -r %{?texgid:-g %texgid} %{texgrp}
+# the ls-R file on update
+error=0
+for dir in	%{_texmfconfdir}	\
+		%{_fontcache}		\
+		%{_texmfvardir}		\
+		%{_texmfvardir}/dist	\
+		%{_texmfvardir}/main
+do
+    test -e ${dir}/ls-R || continue
+    test "$(stat --format '%U:%G' ${dir}/ls-R)" != %{nobody}:%{texgrp}  || continue
+    chown %{nobody}:%{texgrp} ${dir}/ls-R || error=1
+done
+test $error = 0 || exit 1
 
 %post
 %fillup_only -n texlive