diff --git a/mod_security_crs.spec b/mod_security_crs.spec
index e09e6ae..1197e07 100644
--- a/mod_security_crs.spec
+++ b/mod_security_crs.spec
@@ -40,17 +40,19 @@ mv crs-setup.conf.example %{buildroot}%{_sysconfdir}/httpd/modsecurity.d/crs-set
 
 %post
 # activate base_rules
-for f in `ls %{buildroot}%{_datarootdir}/mod_modsecurity_crs/rules/` ; do 
-    ln -s %{_datarootdir}/mod_modsecurity_crs/rules/$f %{buildroot}%{_sysconfdir}/httpd/modsecurity.d/activated_rules/$f; 
+for f in `ls %{_datarootdir}/mod_modsecurity_crs/rules/` ; do 
+    ln -s %{_datarootdir}/mod_modsecurity_crs/rules/$f %{_sysconfdir}/httpd/modsecurity.d/activated_rules/$f; 
 done
 
-sed '/Include(Optional)? modsecurity.d\/\*\.conf/a\tInclude$1 modsecurity.d/plugins/*-config.conf\n\tInclude$1 modsecurity.d/plugins/*-before.conf' %{_httpd_confdir}/mod_security.conf
-sed '/Include(Optional)? modsecurity.d\/local_rules\/\*\.conf/a\tInclude$1 modsecurity.d/plugins/*-after.conf' %{_httpd_confdir}/mod_security.conf
+sed -i '/IncludeOptional modsecurity\.d\/\*\.conf/ a\    IncludeOptional modsecurity.d\/plugins\/*-config.conf\n    IncludeOptional modsecurity.d\/plugins\/*-before.conf' %{_httpd_confdir}/mod_security.conf
+sed -i '/Include modsecurity\.d\/\*\.conf/a\    Include modsecurity.d/plugins/*-config.conf\n    Include modsecurity.d/plugins/*-before.conf' %{_httpd_confdir}/mod_security.conf
+sed -i '/IncludeOptional modsecurity\.d\/local_rules\/\*\.conf/a\    IncludeOptional modsecurity.d\/plugins\/*-after.conf' %{_httpd_confdir}/mod_security.conf
+sed -i '/Include modsecurity\.d\/local_rules\/\*\.conf/a\    Include modsecurity.d\/plugins\/*-after.conf' %{_httpd_confdir}/mod_security.conf
 
 %postun
-sed '/Include(Optional)? modsecurity.d\/plugins/d' %{_httpd_confdir}/mod_security.conf
-for f in `ls %{buildroot}%{_datarootdir}/mod_modsecurity_crs/rules/` ; do 
-    %{__rm} %{buildroot}%{_sysconfdir}/httpd/modsecurity.d/activated_rules/$f; 
+sed -iE '/Include(Optional)? modsecurity.d\/plugins/d' %{_httpd_confdir}/mod_security.conf
+for f in `ls %{_datarootdir}/mod_modsecurity_crs/rules/` ; do 
+    %{__rm} %{_sysconfdir}/httpd/modsecurity.d/activated_rules/$f; 
 done
 
 %files