diff --git a/confluent_server/confluent_server.spec.tmpl b/confluent_server/confluent_server.spec.tmpl
index 17b3da2c..7b2afd8a 100644
--- a/confluent_server/confluent_server.spec.tmpl
+++ b/confluent_server/confluent_server.spec.tmpl
@@ -83,10 +83,10 @@ chown confluent:confluent /etc/confluent /var/lib/confluent /var/log/confluent /
 sysctl -p /usr/lib/sysctl.d/confluent.conf >& /dev/null
 NEEDCHOWN=0
 NEEDSTART=0
-find /etc/confluent -uid 0 | egrep '.*' > /dev/null && NEEDCHOWN=1
-find /var/log/confluent -uid 0 | egrep '.*' > /dev/null && NEEDCHOWN=1
-find /var/run/confluent -uid 0 | egrep '.*' > /dev/null && NEEDCHOWN=1
-find /var/cache/confluent -uid 0 | egrep '.*' > /dev/null && NEEDCHOWN=1
+find /etc/confluent -uid 0 | grep -E '.*' > /dev/null && NEEDCHOWN=1
+find /var/log/confluent -uid 0 | grep -E '.*' > /dev/null && NEEDCHOWN=1
+find /var/run/confluent -uid 0 | grep -E '.*' > /dev/null && NEEDCHOWN=1
+find /var/cache/confluent -uid 0 | grep -E '.*' > /dev/null && NEEDCHOWN=1
 if [ $NEEDCHOWN = 1 ]; then
     if systemctl is-active confluent > /dev/null; then
         NEEDSTART=1