diff --git a/zabbix/zabbix_php_fpm_discovery.sh b/zabbix/zabbix_php_fpm_discovery.sh
index b2806a5..6dcddb5 100644
--- a/zabbix/zabbix_php_fpm_discovery.sh
+++ b/zabbix/zabbix_php_fpm_discovery.sh
@@ -291,8 +291,9 @@ while IFS= read -r line; do
               if [[ -n $LISTEN ]]; then
                 #Check and replace * to localhost if it's found. Asterisk means that the PHP listens on
                 #all interfaces.
-                POOL_SOCKET=$(${S_ECHO} -n "${POOL_SOCKET/*:/localhost:}")
                 PrintDebug "Found TCP connection $POOL_SOCKET"
+                POOL_SOCKET=${POOL_SOCKET//*:/localhost:}
+                PrintDebug "Processed TCP connection $POOL_SOCKET"
                 ProcessPool "${line}" "${POOL_SOCKET}"
                 POOL_STATUS=$?
                 if [[ ${POOL_STATUS} -gt 0 ]]; then