diff --git a/fail2ban.changes b/fail2ban.changes
index 7858f0d..1ae94ec 100644
--- a/fail2ban.changes
+++ b/fail2ban.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Aug 21 16:50:20 UTC 2014 - jweberhofer@weberhofer.at
+
+- Fixed check for %_unitdir to make fail2ban build under older systems, too.
+- Changed /usr to %{_prefix} in the spec file
+
 -------------------------------------------------------------------
 Wed Aug 20 15:44:54 UTC 2014 - jweberhofer@weberhofer.at
 
diff --git a/fail2ban.spec b/fail2ban.spec
index a5908a9..2898912 100644
--- a/fail2ban.spec
+++ b/fail2ban.spec
@@ -96,7 +96,7 @@ Just have to run the following command:
 %setup
 %patch100 -p1
 # correct doc-path
-sed -i -e 's|/usr/share/doc/fail2ban|%{_docdir}/%{name}|' setup.py
+sed -i -e 's|%{_prefix}/share/doc/fail2ban|%{_docdir}/%{name}|' setup.py
 
 %build
 export CFLAGS="$RPM_OPT_FLAGS"
@@ -127,10 +127,10 @@ install -m 644 %{SOURCE3}  $RPM_BUILD_ROOT/%{_sysconfdir}/logrotate.d/fail2ban
 install -d -m755 $RPM_BUILD_ROOT/%{_unitdir}
 install -m644 %{SOURCE4} $RPM_BUILD_ROOT/%{_unitdir}/%{name}.service
 
-install -d -m755 $RPM_BUILD_ROOT/usr/lib/tmpfiles.d/
-install -m644 %{SOURCE5} $RPM_BUILD_ROOT/usr/lib/tmpfiles.d/%{name}.conf
+install -d -m755 $RPM_BUILD_ROOT%{_prefix}/lib/tmpfiles.d/
+install -m644 %{SOURCE5} $RPM_BUILD_ROOT%{_prefix}/lib/tmpfiles.d/%{name}.conf
 %endif
-%if "%_unitdir" != ""
+%if 0%{?_unitdir:1}
 install -Dm0644 "%_sourcedir/sfw-fail2ban.conf" \
 	"%buildroot/%_unitdir/SuSEfirewall2.service.d/fail2ban.conf"
 install -Dm0644 "%_sourcedir/f2b-restart.conf" \
@@ -146,7 +146,7 @@ install -Dm755 files/nagios/check_fail2ban %{buildroot}/%{nagios_plugindir}/chec
 %post
 %{fillup_only}
 %if 0%{?suse_version} >= 1230
-systemd-tmpfiles --create /usr/lib/tmpfiles.d/%{name}.conf
+systemd-tmpfiles --create %{_prefix}/lib/tmpfiles.d/%{name}.conf
 %service_add_post %{name}.service
 %endif
 
@@ -165,7 +165,7 @@ systemd-tmpfiles --create /usr/lib/tmpfiles.d/%{name}.conf
 %insserv_cleanup
 %endif
 
-%if "%_unitdir" != ""
+%if 0%{?_unitdir:1}
 %post -n SuSEfirewall2-fail2ban
 %_bindir/systemctl daemon-reload >/dev/null 2>&1 || :
 
@@ -184,7 +184,7 @@ systemd-tmpfiles --create /usr/lib/tmpfiles.d/%{name}.conf
 %config %{_sysconfdir}/logrotate.d/fail2ban
 %if 0%{?suse_version} >= 1230
 %{_unitdir}/%{name}.service
-/usr/lib/tmpfiles.d/%{name}.conf
+%{_prefix}/lib/tmpfiles.d/%{name}.conf
 %else
 %{_initrddir}/%{name}
 %{_sbindir}/rc%{name}
@@ -196,7 +196,7 @@ systemd-tmpfiles --create /usr/lib/tmpfiles.d/%{name}.conf
 %doc %{_mandir}/man1/*
 %doc COPYING ChangeLog DEVELOP README.md TODO files/cacti
 
-%if "%{?_unitdir}" != ""
+%if 0%{?_unitdir:1}
 %files -n SuSEfirewall2-fail2ban
 %defattr(-,root,root)
 %_unitdir/SuSEfirewall2.service.d