diff --git a/autotest-checkers.sh b/autotest-checkers.sh
index bb1ad2534f..105cf95c53 100755
--- a/autotest-checkers.sh
+++ b/autotest-checkers.sh
@@ -6,6 +6,8 @@ bash ./build/autoloaderchecker.sh
 RESULT=$(($RESULT+$?))
 php ./build/translation-checker.php
 RESULT=$(($RESULT+$?))
+php ./build/triple-dot-checker.php
+RESULT=$(($RESULT+$?))
 php ./build/htaccess-checker.php
 RESULT=$(($RESULT+$?))
 bash ./build/ca-bundle-checker.sh
diff --git a/build/triple-dot-checker.php b/build/triple-dot-checker.php
new file mode 100644
index 0000000000..fa5edfcd5e
--- /dev/null
+++ b/build/triple-dot-checker.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
+ * @copyright Copyright (c) 2020 Gary Kim <gary@garykim.dev>
+ *
+ * @author Gary Kim <gary@garykim.dev>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+$directories = [
+	__DIR__ . '/../apps',
+	__DIR__ . '/../core'
+];
+
+$errors = [];
+foreach ($directories as $dir) {
+	$it = new \RecursiveDirectoryIterator($dir);
+
+	foreach (new RecursiveIteratorIterator($it) as $file) {
+		if ($file->getExtension() === 'map') {
+			continue;
+		}
+		$content = file_get_contents($file->getPathname());
+		$matches = preg_grep('/[^A-Za-z][tn]\([\'"][^\'"]*?[\'"],( ?)[\'"][^\'"]*?(\.\.\.)[^\'"]*?[\'"]/sU', explode(PHP_EOL, $content));
+
+		foreach ($matches as $ln => $match) {
+			if (file_exists($file->getPathname() . '.map')) {
+				$errors[] = sprintf('At line %d in file %s (file may be transpiled)', $ln, $file);
+			} else {
+				$errors[] = sprintf('At line %d in file %s', $ln, $file);
+			}
+		}
+	}
+}
+
+echo PHP_EOL . PHP_EOL;
+if (count($errors) > 0) {
+	if (count($errors) > 1) {
+		echo sprintf('ERROR: There are %d uses of triple dot instead of ellipsis:', count($errors)) . PHP_EOL;
+	} else {
+		echo 'ERROR: There is 1 use of triple dot instead of ellipsis:' . PHP_EOL;
+	}
+	echo implode(PHP_EOL, $errors) . PHP_EOL;
+	exit(1);
+}
+
+echo 'OK: all good! No use of triple dot instead of ellipsis found.' . PHP_EOL;
+exit(0);