diff --git a/api_db.php b/api_db.php
index bcb9aa00..b5bdd2e6 100644
--- a/api_db.php
+++ b/api_db.php
@@ -69,17 +69,20 @@ if(isset($_GET["network"]) && $auth)
 		$network_addresses = $db->query("SELECT ip FROM network_addresses WHERE network_id = $id ORDER BY lastSeen DESC");
 		while($network_addresses !== false && $ip = $network_addresses->fetchArray(SQLITE3_ASSOC))
 			array_push($res["ip"],$ip["ip"]);
+		$network_addresses->finalize();
 
 			// Get list of host names for this device
 		$res["name"] = array();
 		$network_names = $db->query("SELECT name FROM network_names WHERE network_id = $id ORDER BY lastSeen DESC");
 		while($network_names !== false && $ip = $network_names->fetchArray(SQLITE3_ASSOC))
 			array_push($res["name"],utf8_encode($ip["name"]));
+		$network_names->finalize();
 
 		// UTF-8 encode vendor
 		$res["macVendor"] = utf8_encode($res["macVendor"]);
 		array_push($network, $res);
 	}
+	$results->finalize();
 
 	$data = array_merge($data, array('network' => $network));
 }
diff --git a/scripts/pi-hole/php/groups.php b/scripts/pi-hole/php/groups.php
index f17a60f5..e2d26a37 100644
--- a/scripts/pi-hole/php/groups.php
+++ b/scripts/pi-hole/php/groups.php
@@ -194,6 +194,7 @@ if ($_POST['action'] == 'get_groups') {
             while ($gres = $group_query->fetchArray(SQLITE3_ASSOC)) {
                 array_push($groups, $gres['group_id']);
             }
+            $group_query->finalize();
             $res['groups'] = $groups;
             array_push($data, $res);
         }
@@ -222,6 +223,7 @@ if ($_POST['action'] == 'get_groups') {
             while ($res_names = $query_names->fetchArray(SQLITE3_ASSOC)) {
                 array_push($names, utf8_encode($res_names["name"]));
             }
+            $query_names->finalize();
             $extrainfo = "";
             // Add device vendor to info string (if available)
             if (strlen($res["macVendor"]) > 0) {