diff --git a/doc/rpm-build/debian.rules b/doc/rpm-build/debian.rules
index 64e484f8af..311f96223f 100644
--- a/doc/rpm-build/debian.rules
+++ b/doc/rpm-build/debian.rules
@@ -43,7 +43,7 @@ install: build
 	mkdir -p $(CURDIR)/debian/egroupware-epl-core/etc/egroupware
 	cp $(CURDIR)/doc/rpm-build/apache.conf $(CURDIR)/debian/egroupware-epl-core/etc/egroupware/apache.conf
 	# Debian/Ubuntu uses /usr/lib/ssl/certs with files symlinked from /usr/share/ca-certificates instead for trusted OpenSSL CA
-	sed -i '' 's|/etc/pki/tls/certs:/etc/pki/ca-trust|/usr/lib/ssl/certs:/usr/share/ca-certificates|g' $(CURDIR)/debian/egroupware-epl-core/etc/egroupware/apache.conf
+	sed -i 's|/etc/pki/tls/certs:/etc/pki/ca-trust|/usr/lib/ssl/certs:/usr/share/ca-certificates|g' $(CURDIR)/debian/egroupware-epl-core/etc/egroupware/apache.conf
 	# Univention needs access to /usr/sbin/univention-directory-manager symlinked to /usr/share/univention-directory-manager-tools/directory-manager-cli
 	sed 's|\(open_basedir .*\)|\1:/usr/sbin/univention-directory-manager:/usr/share/univention-directory-manager-tools/directory-manager-cli|' \
 	  $(CURDIR)/doc/rpm-build/apache.conf > $(CURDIR)/debian/egroupware-epl-core/etc/egroupware/apache-univention.conf
diff --git a/doc/rpm-build/egroupware-epl.spec b/doc/rpm-build/egroupware-epl.spec
index 56df05a0ce..782bf17103 100644
--- a/doc/rpm-build/egroupware-epl.spec
+++ b/doc/rpm-build/egroupware-epl.spec
@@ -1,5 +1,5 @@
 Name: egroupware-epl
-Version: 17.1.20171115
+Version: 17.1.20180118
 Release:
 Summary: EGroupware is a web-based groupware suite written in php
 Group: Web/Database
@@ -577,7 +577,7 @@ cp egroupware/doc/rpm-build/apache.conf $RPM_BUILD_ROOT%{httpdconfd}/egroupware.
 %if 0%{?suse_version}
 # RHEL/CentOS needs open_basedir to include /etc/pki/tls/certs:/etc/pki/ca-trust
 # SUSE uses /var/lib/ca-certificates/openssl instead for trusted OpenSSL CA
-    sed -i '' 's|/etc/pki/tls/certs:/etc/pki/ca-trust|/var/lib/ca-certificates/openssl|g' $RPM_BUILD_ROOT%{httpdconfd}/egroupware.conf
+    sed -i 's|/etc/pki/tls/certs:/etc/pki/ca-trust|/var/lib/ca-certificates/openssl|g' $RPM_BUILD_ROOT%{httpdconfd}/egroupware.conf
 %endif
 mkdir -p $RPM_BUILD_ROOT/etc/cron.d
 sed 's/apache/%{apache_user}/' egroupware/doc/rpm-build/egroupware.cron > $RPM_BUILD_ROOT/etc/cron.d/egroupware