diff --git a/resources/install/scripts/app/ring_groups/index.lua b/resources/install/scripts/app/ring_groups/index.lua
index 0235f9c4d8..cc5245cd31 100644
--- a/resources/install/scripts/app/ring_groups/index.lua
+++ b/resources/install/scripts/app/ring_groups/index.lua
@@ -441,6 +441,7 @@ local log = require "resources.functions.log".ring_group
 						y = 0;
 						dial_string = '';
 						previous_dialplan_uuid = '';
+						regex_match = false;
 						for k, r in pairs(dialplans) do
 							if (y > 0) then
 								if (previous_dialplan_uuid ~= r.dialplan_uuid) then