diff --git a/back/lib/ssl_peer_add b/back/lib/ssl_peer_add
index cbecd3b..8718e79 100755
--- a/back/lib/ssl_peer_add
+++ b/back/lib/ssl_peer_add
@@ -12,19 +12,19 @@
 
 
 CONFIG_FILE='/etc/wgapi/config'
-[ ${#} -eq 0 ] || (
+if ! [ ${#} -eq 3 ]; then
 	printf 'ERROR! Invalid number of arguments to %s: %s\n' "${0}" "${*}" >>"${LOGFILE}"
 	exit 3
-)
-[ -f "${CONFIG_FILE}" ] || (
+fi
+if ! [ -f "${CONFIG_FILE}" ]; then
 	printf 'ERROR! %s couldnt find %s\n' "${0}" "${*}" >>"${LOGFILE}"
 	exit 4
 )
-[ -x '/usr/bin/openssl' ] || (
+if ! [ -x '/usr/bin/openssl' ]; then
 	printf 'ERROR! /usr/bin/openssl not found!\n' >>"${LOGFILE}"
 	exit 5
 )
-[ -f '/etc/ssl/openssl.cnf' ] || (
+if ! [ -f '/etc/ssl/openssl.cnf' ]; then
 	printf 'ERROR! /etc/ssl/openssl.cnf not found!\n' >>"${LOGFILE}"
 	exit 5
 )
@@ -37,60 +37,60 @@ ipstring="${3}"
 printf 'Signing SSL certs for %s.%s.%s...\n' "${hostname}" "${username}" "${TLD}" >>"${LOGFILE}"
 
 # Generate key
-sudo /usr/bin/openssl genrsa -out "${SSL_CONFIG_DIR:?}/${username:?}/${hostname:?}/server.key" >/dev/null 2>&1 || (
+if ! sudo /usr/bin/openssl genrsa -out "${SSL_CONFIG_DIR:?}/${username:?}/${hostname:?}/server.key" >/dev/null 2>&1; then
 	printf 'Failed to generate SSL key %s/%s/server.key\n' "${username}" "${hostname}" >>"${LOGFILE}"
 	exit 7
-)
-[ -f "${SSL_CONFIG_DIR:?}/${username:?}/${hostname:?}/server.key" ] || (
+fi
+if ! [ -f "${SSL_CONFIG_DIR:?}/${username:?}/${hostname:?}/server.key" ]; then
 	printf 'SSL key %s/%s/server.key was not generated!\n' "${username}" "${hostname}" >>"${LOGFILE}"
 	exit 7
-)
-sudo chmod 400 "${SSL_CONFIG_DIR}/${username}/${hostname}/server.key" || (
+fi
+if ! sudo chmod 400 "${SSL_CONFIG_DIR}/${username}/${hostname}/server.key"; then
 	printf 'Failed to chmod SSL key %s/%s/server.key\n' "${username}" "${hostname}" >>"${LOGFILE}"
 	exit 7
-)
+fi
 
 # Generate config
 san="\n[SAN]\nsubjectAltNames=DNS:${hostname:?}.${username:?}.${TLD:?},DNS:*.${hostname:?}.${username:?}.${TLD:?}"
 [ "${ipstring}" != "" ] && san="${san},${ipstring}"
-cat '/etc/ssl/openssl.cnf' <(printf '%s' "${san}") \
-	> "${SSL_CONFIG_DIR:?}/${username:?}/${hostname:?}.cnf" || (
+if ! cat '/etc/ssl/openssl.cnf' <(printf '%s' "${san}") \
+> "${SSL_CONFIG_DIR:?}/${username:?}/${hostname:?}.cnf"; then
 		printf 'Failed to generate %s/%s.cnf\n' "${username}" "${hostname}" >>"${LOGFILE}"
 		exit 7
-	)
+fi
 
 # Generate CSR
-sudo /usr/bin/openssl req -new -sha256 -reqexts SAN \
+if ! sudo /usr/bin/openssl req -new -sha256 -reqexts SAN \
 	-key "${SSL_CONFIG_DIR}/${username}/${hostname}/server.key" \
 	-out "${SSL_CONFIG_DIR}/${username}/${hostname}.csr" \
 	-config "${SSL_CONFIG_DIR}/${username}/${hostname}.cnf" \
 	-subj "/O=${SSL_ORG}/OU=${username}/CN=${hostname}.${username}.${TLD}" \
-	>/dev/null 2>&1 || (
+	>/dev/null 2>&1; then
 		printf 'Failed to generate %s/%s.cnf\n' "${username}" "${hostname}" >>"${LOGFILE}"
 		exit 7
-	)
+fi
 
 # Generate cert
-sudo /usr/bin/openssl x509 -req -sha256 -extensions SAN -CAcreateserial \
+if ! sudo /usr/bin/openssl x509 -req -sha256 -extensions SAN -CAcreateserial \
 	-extfile "${SSL_CONFIG_DIR}/${username}/${hostname}.cnf" \
 	-in "${SSL_CONFIG_DIR}/${username}/${hostname}.csr" \
 	-CA "${SSL_CA_CERT}" -CAkey "${SSL_CA_KEY}" \
 	-passin "pass:${SSL_CA_PASS}" \
 	-out "${SSL_CONFIG_DIR}/${username}/${hostname}/server.crt" \
-	-days "${SSL_DAYS}" >/dev/null 2>&1 || (
+	-days "${SSL_DAYS}" >/dev/null 2>&1; then
 		printf 'Failed to generate SSL cert %s/%s/server.crt\n' "${username}" "${hostname}" >>"${LOGFILE}"
 		exit 7
-	)
-[ -f "${SSL_CONFIG_DIR:?}/${username:?}/${hostname:?}/server.crt" ] || (
+fi
+if ! [ -f "${SSL_CONFIG_DIR:?}/${username:?}/${hostname:?}/server.crt" ]; then
 	printf 'SSL key %s/%s/server.crt was not generated!\n' "${username}" "${hostname}" >>"${LOGFILE}"
 	exit 7
-)
-sudo chmod 644 "${SSL_CONFIG_DIR}/${username}/${hostname}/server.crt" || (
+fi
+if ! sudo chmod 644 "${SSL_CONFIG_DIR}/${username}/${hostname}/server.crt"; then
 	printf 'Failed to chmod SSL cert %s/%s/server.crt\n' "${username}" "${hostname}" >>"${LOGFILE}"
 	exit 7
-)
+fi
 
 # Remove old files
-sudo rm "${SSL_CONFIG_DIR}/${username}/${hostname}.cnf" "${SSL_CONFIG_DIR}/${username}/${hostname}.csr" 2>/dev/null
+if sudo rm "${SSL_CONFIG_DIR}/${username}/${hostname}.cnf" "${SSL_CONFIG_DIR}/${username}/${hostname}.csr" 2>/dev/null
 
 printf 'SSL certs for %s.%s.%s are ready\n' "${hostname}" "${username}" "${TLD}" >>"${LOGFILE}"
\ No newline at end of file