diff --git a/shmux.changes b/shmux.changes
new file mode 100644
index 0000000..9e7922f
--- /dev/null
+++ b/shmux.changes
@@ -0,0 +1,9 @@
+-------------------------------------------------------------------
+Sat Dec 18 04:36:14 UTC 2021 - Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
+
+- RHEL and Fedora compatibility
+
+-------------------------------------------------------------------
+Sat Dec 18 03:39:23 UTC 2021 - Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
+
+- Initial package for shmux 
diff --git a/shmux.spec b/shmux.spec
index 82af6f4..cba9c9b 100644
--- a/shmux.spec
+++ b/shmux.spec
@@ -33,7 +33,11 @@ shmux is program for executing the same command on many hosts in parallel.
 
 %build
 %configure
+%if 0%{?rhel_version}
+make %{?_smp_mflags}
+%else
 %make_build
+%endif
 
 %install
 %make_install
@@ -42,7 +46,11 @@ shmux is program for executing the same command on many hosts in parallel.
 %license LICENSE
 %doc README.md CHANGES
 %{_bindir}/%{name}
+%if 0%{?fedora}
+%{_mandir}/man1/%{name}.*
+%else
 %{_mandir}/man1/%{name}.1%{?ext_man}
+%endif
 %dir %{_datadir}/%{name}
 %attr (755,-,-) %{_datadir}/%{name}/mcmd.sh