diff --git a/app/scripts/resources/scripts/app/call_block/index.lua b/app/scripts/resources/scripts/app/call_block/index.lua
index 48aa13a589..7e82784060 100644
--- a/app/scripts/resources/scripts/app/call_block/index.lua
+++ b/app/scripts/resources/scripts/app/call_block/index.lua
@@ -93,7 +93,7 @@
 
 			--check to see if the call should be blocked
 				sql = "select * from v_call_block\n";
-				sql = sql .. "where domain_uuid = :domain_uuid \n";
+				sql = sql .. "where (domain_uuid = :domain_uuid or domain_uuid is null) \n";
 				sql = sql .. "and call_block_enabled = 'true' \n";
 				sql = sql .. "and call_block_direction = :call_block_direction \n";
 				sql = sql .. "and ( \n";
@@ -244,4 +244,4 @@
 					freeswitch.consoleLog("notice", "[call_block] " .. call_block_cache_key .. " source: cache\n");
 				end
 		end
-	end
\ No newline at end of file
+	end