--- /usr/local/pkg/pfblockerng/pfblockerng.inc.bak	2018-02-06 11:07:17.341003000 +0100
+++ /usr/local/pkg/pfblockerng/pfblockerng.inc	2018-02-06 13:38:37.746675000 +0100
@@ -3006,16 +3006,19 @@
 							case 'match':
 							case 'permit':
 							case 'native':
-								$results = array_diff($pfb_act, $pfb_exist);
-								// This variable ($f_result) used in next section below.
-								$f_result = implode($results);
-								if (!empty($results)) {
-									foreach ($results as $pfb_result) {
-										$log = "[ Removing List(s) : {$pfb_result} ]\n";
-										pfb_logger("{$log}", 1);
-										unlink_if_exists("{$pfbfolder}/{$pfb_result}.txt");
+								if($pfb_exist['adv'])
+								{
+									$results = array_diff($pfb_act, $pfb_exist);
+									// This variable ($f_result) used in next section below.
+									$f_result = implode($results);
+									if (!empty($results)) {
+										foreach ($results as $pfb_result) {
+											$log = "[ Removing List(s) : {$pfb_result} ]\n";
+											pfb_logger("{$log}", 1);
+											unlink_if_exists("{$pfbfolder}/{$pfb_result}.txt");
+										}
+										$pfb['summary'] = $pfb['remove'] = TRUE;
 									}
-									$pfb['summary'] = $pfb['remove'] = TRUE;
 								}
 								break;
 							case 'dnsbl':