diff --git a/resources/functionMap.php b/resources/functionMap.php
index 4927b02284..f188b21b4f 100644
--- a/resources/functionMap.php
+++ b/resources/functionMap.php
@@ -8696,7 +8696,7 @@
 'Redis::lSet' => ['__benevolent<Redis|bool>', 'key'=>'string', 'index'=>'int', 'value'=>'mixed'],
 'Redis::lSize' => ['', 'key'=>'string'],
 'Redis::ltrim' => ['__benevolent<Redis|bool>', 'key'=>'string', 'start'=>'int', 'end'=>'int'],
-'Redis::mget' => ['__benevolent<Redis|array<string, mixed>>', 'keys'=>'string[]'],
+'Redis::mget' => ['__benevolent<Redis|array<string, mixed>|false>', 'keys'=>'string[]'],
 'Redis::migrate' => ['__benevolent<Redis|bool>', 'host'=>'string', 'port'=>'int', 'key'=>'string|string[]', 'dstdb'=>'int', 'timeout'=>'int', 'copy='=>'bool', 'replace='=>'bool', 'credentials='=>'mixed'],
 'Redis::move' => ['__benevolent<Redis|bool>', 'key'=>'string', 'index'=>'int'],
 'Redis::mset' => ['__benevolent<Redis|bool>', 'key_values'=>'array<string, mixed>'],
diff --git a/tests/PHPStan/Analyser/nsrt/redis-mget.php b/tests/PHPStan/Analyser/nsrt/redis-mget.php
new file mode 100644
index 0000000000..daeb5066ff
--- /dev/null
+++ b/tests/PHPStan/Analyser/nsrt/redis-mget.php
@@ -0,0 +1,19 @@
+<?php declare(strict_types = 1);
+
+namespace RedisMget;
+
+use Redis;
+
+use function PHPStan\Testing\assertType;
+
+function func(Redis $redis): void
+{
+	$values = $redis->mget(['key1', 'key2']);
+	assertType('(array<string, mixed>|Redis|false)', $values);
+
+	if ($values === false) {
+		return;
+	}
+
+	assertType('(array<string, mixed>|Redis)', $values);
+}