diff --git a/src/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTask.php b/src/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTask.php
index 03002f19..a4cfb123 100644
--- a/src/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTask.php
+++ b/src/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTask.php
@@ -28,7 +28,7 @@ public function shouldRun(string $path, string $content): bool {
 		$singleLine = false;
 		if (!$callMatches) {
 			$singleLine = true;
-			preg_match('#\$this-\>getMailer\(\'([\w\.]+)\'\)->send\(#', $content, $callMatches);
+			preg_match('#\$this->getMailer\(\s*\'([\w\.]+)\'\s*\)\s*->\s*send\(\s*\'([\w\.]+)\'#msu', $content, $callMatches);
 		}
 		if (!$useMatches && !$callMatches) {
 			return false;
@@ -64,7 +64,7 @@ public function annotate(string $path): bool {
 		if (!$useMatches) {
 			preg_match('#\$\w+\s*=\s*\$this->getMailer\(\'([\w.]+)\'\)#', $this->content, $callMatches);
 			if (!$callMatches) {
-				preg_match('#\$this->getMailer\(\'([\w.]+)\'\)->send\(\'(\w+)\'#', $this->content, $callMatches);
+				preg_match('#\$this->getMailer\(\s*\'([\w\.]+)\'\s*\)\s*->\s*send\(\s*\'([\w\.]+)\'#msu', $this->content, $callMatches);
 				if (!$callMatches) {
 					return false;
 				}
@@ -102,8 +102,21 @@ public function annotate(string $path): bool {
 			$rows = explode(PHP_EOL, $this->content);
 			$rowToAnnotate = null;
 			$rowMatches = null;
+			$multiLine = str_contains($callMatches[0], PHP_EOL);
 			foreach ($rows as $i => $row) {
-				if (!preg_match('#\$this->getMailer\(\'' . $callMatches[1] . '\'\)->send\(\'' . $callMatches[2] . '\'#', $row, $rowMatches)) {
+				if (
+					$multiLine
+					&& preg_match('#\$this->getMailer\(\s*\'' . $callMatches[1] . '\'\s*\)#msu', $row, $rowMatches)
+					&& !empty($rows[$i + 1])
+					&& preg_match('#->\s*send\(\s*\'' . $callMatches[2] . '\'#msu', $rows[$i + 1], $rowMatches)
+				) {
+					$rowToAnnotate = $i;
+					$action = $callMatches[2];
+
+					break;
+				}
+
+				if (!preg_match('#\$this->getMailer\(\s*\'' . $callMatches[1] . '\'\s*\)\s*->\s*send\(\s*\'' . $callMatches[2] . '\'#msu', $row, $rowMatches)) {
 					continue;
 				}
 				$rowToAnnotate = $i + 1;
diff --git a/tests/TestCase/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTaskTest.php b/tests/TestCase/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTaskTest.php
index 45dc639b..05348502 100644
--- a/tests/TestCase/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTaskTest.php
+++ b/tests/TestCase/Annotator/ClassAnnotatorTask/MailerClassAnnotatorTaskTest.php
@@ -107,6 +107,24 @@ public function testAnnotateSingleLine() {
 		$this->assertTextContains('  -> 1 annotation added.', $output);
 	}
 
+	/**
+	 * @return void
+	 */
+	public function testAnnotateMultiLine() {
+		$content = file_get_contents(TEST_FILES . 'MailerAnnotation' . DS . 'MailerAnnotation.missing3.php');
+		$task = $this->getTask($content);
+		$path = '/src/Foo/Foo.php';
+
+		$result = $task->annotate($path);
+		$this->assertTrue($result);
+
+		$content = $task->getContent();
+		$this->assertTextContains('* @uses \TestApp\Mailer\NotificationMailer::notify()', $content);
+
+		$output = $this->out->output();
+		$this->assertTextContains('  -> 1 annotation added.', $output);
+	}
+
 	/**
 	 * @return void
 	 */
diff --git a/tests/test_files/MailerAnnotation/MailerAnnotation.missing3.php b/tests/test_files/MailerAnnotation/MailerAnnotation.missing3.php
new file mode 100644
index 00000000..5a89174b
--- /dev/null
+++ b/tests/test_files/MailerAnnotation/MailerAnnotation.missing3.php
@@ -0,0 +1,10 @@
+<?php
+namespace TestApp\Foo;
+
+class MailerAnnotation {
+
+	public function test() {
+		$this->getMailer('Notification')
+			->send('notify', []);
+	}
+}