diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 855cfd3e..0dfd28bc 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1026,8 +1026,6 @@
       <code>$idx</code>
     </MixedArgumentTypeCoercion>
     <PossiblyFalseArgument>
-      <code>$params</code>
-      <code>$params</code>
       <code><![CDATA[$params['c']]]></code>
       <code><![CDATA[$params['q']]]></code>
       <code><![CDATA[$params['q']]]></code>
diff --git a/src/Utils/CLI.php b/src/Utils/CLI.php
index c4f9c72c..a03b518e 100644
--- a/src/Utils/CLI.php
+++ b/src/Utils/CLI.php
@@ -149,6 +149,10 @@ public function parseLint(): array|false
             'ansi',
         ];
         $params = $this->getopt('hq:c:a', $longopts);
+        if ($params === false) {
+            return false;
+        }
+
         $this->mergeLongOpts($params, $longopts);
 
         return $params;
@@ -221,6 +225,10 @@ public function parseTokenize(): array|false
             'ansi',
         ];
         $params = $this->getopt('hq:a', $longopts);
+        if ($params === false) {
+            return false;
+        }
+
         $this->mergeLongOpts($params, $longopts);
 
         return $params;