diff --git a/config/action.d/firewallcmd-multiport.conf b/config/action.d/firewallcmd-multiport.conf
index da73f9f1..4d806e6b 100644
--- a/config/action.d/firewallcmd-multiport.conf
+++ b/config/action.d/firewallcmd-multiport.conf
@@ -17,10 +17,9 @@ actionstop = firewall-cmd --direct --remove-rule ipv4 filter <chain> 0 -m state
              firewall-cmd --direct --remove-rules ipv4 filter f2b-<name>
              firewall-cmd --direct --remove-chain ipv4 filter f2b-<name>
 
-# Note:  uses regular expression whitespaces '\s' & end of line '$'
-# Example actioncheck: firewall-cmd --direct --get-chains ipv4 filter | grep -q '\sf2b-apache-modsecurity$'
+# Example actioncheck: firewall-cmd --direct --get-chains ipv4 filter | sed -e 's, ,\n,g' | grep -q '^f2b-apache-modsecurity$'
 
-actioncheck = firewall-cmd --direct --get-chains ipv4 filter | grep -q '\sf2b-<name>$'
+actioncheck = firewall-cmd --direct --get-chains ipv4 filter | sed -e 's, ,\n,g' | grep -q '^f2b-<name>$'
 
 actionban = firewall-cmd --direct --add-rule ipv4 filter f2b-<name> 0 -s <ip> -j <blocktype>
 
@@ -59,6 +58,6 @@ protocol = tcp
 # $ sudo firewall-cmd --direct --add-rule ipv4 filter INPUT_direct 0 -m state --state NEW -p tcp -m multiport --dports 80,443 -j f2b-apache-modsecurity
 # success
 # actioncheck:
-# $ firewall-cmd --direct --get-chains ipv4 filter f2b-apache-modsecurity | grep -q '\sf2b-apache-modsecurity$'
+# $ firewall-cmd --direct --get-chains ipv4 filter f2b-apache-modsecurity | sed -e 's, ,\n,g' | grep -q '^f2b-apache-modsecurity$'
 # f2b-apache-modsecurity