diff --git a/lib/puppet/provider/firewalld_zone/firewall_cmd.rb b/lib/puppet/provider/firewalld_zone/firewall_cmd.rb
index a4fffe3e..fa25a85f 100644
--- a/lib/puppet/provider/firewalld_zone/firewall_cmd.rb
+++ b/lib/puppet/provider/firewalld_zone/firewall_cmd.rb
@@ -24,7 +24,7 @@ def create
     self.protocols = (@resource[:protocols]) if @resource[:protocols]
     self.interfaces = @resource[:interfaces]
     self.icmp_blocks = (@resource[:icmp_blocks]) if @resource[:icmp_blocks]
-    self.icmp_block_inversion = (@resource[:icmp_block_inversion]) if @resource[:icmp_block_inversion]
+    self.icmp_block_inversion = (@resource[:icmp_block_inversion]) if @resource[:icmp_block_inversion] == :true
     self.description = (@resource[:description]) if @resource[:description]
     self.short = (@resource[:short]) if @resource[:short]
   end