diff --git a/mod/settings.php b/mod/settings.php
index c11ac37e3a..414894ef54 100644
--- a/mod/settings.php
+++ b/mod/settings.php
@@ -229,7 +229,7 @@ function settings_post(App $a)
 				notice(DI::l10n()->t('Contact CSV file upload error'));
 			} else {
 				$csvArray = array_map('str_getcsv', file($_FILES['importcontact-filename']['tmp_name']));
-				Logger::info('Import started', ['lines' => count($csvArray)]);
+				Logger::notice('Import started', ['lines' => count($csvArray)]);
 				// import contacts
 				foreach ($csvArray as $csvRow) {
 					// The 1st row may, or may not contain the headers of the table
@@ -237,18 +237,20 @@ function settings_post(App $a)
 					// or the handle of the account, therefore we check for either
 					// "http" or "@" to be present in the string.
 					// All other fields from the row will be ignored
-					if ((strpos($csvRow[0],'@') !== false) || (strpos($csvRow[0],'http') !== false)) {
+					if ((strpos($csvRow[0],'@') !== false) || in_array(parse_url($csvRow[0], PHP_URL_SCHEME), ['http', 'https'])) {
 						Worker::add(PRIORITY_LOW, 'AddContact', $_SESSION['uid'], $csvRow[0]);
+					} else {
+						Logger::notice('Invalid account', ['url' => $csvRow[0]]);
 					}
 				}
-				Logger::info('Import done');
+				Logger::notice('Import done');
 
 				info(DI::l10n()->t('Importing Contacts done'));
 				// delete temp file
 				unlink($_FILES['importcontact-filename']['tmp_name']);
 			}
 		} else {
-			Logger::info('Import triggered, but no import file was found.');
+			Logger::notice('Import triggered, but no import file was found.');
 		}
 
 		return;
diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index b0b5fcc91b..c6e3a4c364 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -2821,6 +2821,9 @@ class Contact
 		$count = 0;
 
 		foreach ($urls as $url) {
+			if (empty($url) || !is_string($url)) {
+				continue;
+			}
 			$contact = self::getByURL($url, false, ['id', 'updated']);
 			if (empty($contact['id'])) {
 				Worker::add(PRIORITY_LOW, 'AddContact', 0, $url);