diff --git a/scripts/pi-hole/php/teleporter.php b/scripts/pi-hole/php/teleporter.php
index 54254466..65e7f490 100644
--- a/scripts/pi-hole/php/teleporter.php
+++ b/scripts/pi-hole/php/teleporter.php
@@ -219,6 +219,8 @@ if(isset($_POST["action"]))
 
 		$importedsomething = false;
 
+		$flushtables = isset($_POST["flushtables"]);
+
 		foreach($archive as $file)
 		{
 			if(isset($_POST["blacklist"]) && $file->getFilename() === "blacklist.txt")
@@ -270,42 +272,42 @@ if(isset($_POST["action"]))
 
 			if(isset($_POST["blacklist"]) && $file->getFilename() === "blacklist.exact.json")
 			{
-				$num = archive_restore_table($file, "blacklist");
+				$num = archive_restore_table($file, "blacklist", $flushtables);
 				echo "Processed blacklist (exact) (".$num." entries)<br>\n";
 				$importedsomething = true;
 			}
 
 			if(isset($_POST["regexlist"]) && $file->getFilename() === "blacklist.regex.json")
 			{
-				$num = archive_restore_table($file, "regex_blacklist");
+				$num = archive_restore_table($file, "regex_blacklist", $flushtables);
 				echo "Processed blacklist (regex) (".$num." entries)<br>\n";
 				$importedsomething = true;
 			}
 
 			if(isset($_POST["whitelist"]) && $file->getFilename() === "whitelist.exact.json")
 			{
-				$num = archive_restore_table($file, "whitelist");
+				$num = archive_restore_table($file, "whitelist", $flushtables);
 				echo "Processed whitelist (exact) (".$num." entries)<br>\n";
 				$importedsomething = true;
 			}
 
 			if(isset($_POST["regex_whitelist"]) && $file->getFilename() === "whitelist.regex.json")
 			{
-				$num = archive_restore_table($file, "regex_whitelist");
+				$num = archive_restore_table($file, "regex_whitelist", $flushtables);
 				echo "Processed whitelist (regex) (".$num." entries)<br>\n";
 				$importedsomething = true;
 			}
 
 			if(isset($_POST["adlist"]) && $file->getFilename() === "adlist.json")
 			{
-				$num = archive_restore_table($file, "adlist");
+				$num = archive_restore_table($file, "adlist", $flushtables);
 				echo "Processed adlist (".$num." entries)<br>\n";
 				$importedsomething = true;
 			}
 
 			if(isset($_POST["auditlog"]) && $file->getFilename() === "domain_audit.json")
 			{
-				$num = archive_restore_table($file, "domain_audit");
+				$num = archive_restore_table($file, "domain_audit", $flushtables);
 				echo "Processed domain_audit (".$num." entries)<br>\n";
 				$importedsomething = true;
 			}
diff --git a/settings.php b/settings.php
index f0c5a187..4b76daf7 100644
--- a/settings.php
+++ b/settings.php
@@ -1182,6 +1182,11 @@ if (isset($_GET['tab']) && in_array($_GET['tab'], array("sysadmin", "blocklists"
                                                     <button type="submit" class="btn btn-default" name="action"
                                                             value="in">Import
                                                     </button>
+                                                    <div class="checkbox">
+                                                        <label><input type="checkbox" name="flushtables" value="true"
+                                                                      checked>
+                                                            Flush tables during import</label>
+                                                    </div>
                                                 </div>
                                             </div>
                                         </div>