diff --git a/mercurial.spec b/mercurial.spec
index 75a32fc..2a4cde1 100644
--- a/mercurial.spec
+++ b/mercurial.spec
@@ -160,11 +160,15 @@ make install-doc DESTDIR=%{buildroot} MANDIR=%{_mandir}
 grep -v -e 'hgk.py*' \
         -e "%{python3_sitearch}/mercurial/" \
         -e "%{python3_sitearch}/hgext/" \
+        -e "%{python3_sitearch}/hgext3rd/" \
+        -e "%{python3_sitearch}/hgdemandimport/" \
         -e "%{_bindir}" \
         < %{name}3.files > %{name}3-base.files
 grep -v -e 'hgk.py*' \
         -e "%{python2_sitearch}/mercurial/" \
         -e "%{python2_sitearch}/hgext/" \
+        -e "%{python2_sitearch}/hgext3rd/" \
+        -e "%{python2_sitearch}/hgdemandimport/" \
         -e "%{_bindir}" \
         < %{name}2.files > %{name}2-base.files
 grep 'hgk.py*' < %{name}3.files > %{name}3-hgk.files
@@ -285,6 +289,8 @@ fi
 %{_datadir}/zsh/site-functions/_mercurial
 %{python2_sitearch}/mercurial/
 %{python2_sitearch}/hgext/
+%{python2_sitearch}/hgext3rd/
+%{python2_sitearch}/hgdemandimport/
 %{_emacs_sitelispdir}/mercurial
 %{_emacs_sitestartdir}/*.el
 %ghost %{_bindir}/hg
@@ -306,6 +312,8 @@ fi
 %{_datadir}/zsh/site-functions/_mercurial
 %{python3_sitearch}/mercurial/
 %{python3_sitearch}/hgext/
+%{python3_sitearch}/hgext3rd/
+%{python3_sitearch}/hgdemandimport/
 %{_emacs_sitelispdir}/mercurial
 %{_emacs_sitestartdir}/*.el
 %ghost %{_bindir}/hg
@@ -335,6 +343,9 @@ fi
 
 
 %changelog
+* Sat Dec  5 14:28:14 CET 2020 Mads Kiilerich <mads@kiilerich.com> - 5.2.2-3
+- Fix ownership of hgext3rd and hgdemandimport (#1897681)
+
 * Thu Dec  3 23:55:13 CET 2020 Mads Kiilerich <mads@kiilerich.com> - 5.4.2-1
 - mercurial 5.4.2 - the last bugfix release in the 5.4 series