diff --git a/src/Psalm/Internal/Type/AssertionReconciler.php b/src/Psalm/Internal/Type/AssertionReconciler.php
index a8a4073126f..e7e6478c600 100644
--- a/src/Psalm/Internal/Type/AssertionReconciler.php
+++ b/src/Psalm/Internal/Type/AssertionReconciler.php
@@ -1252,6 +1252,9 @@ private static function handleLiteralEquality(
         return $existing_var_type;
     }
 
+    /**
+     * @param  string[]          $suppressed_issues
+     */
     private static function handleLiteralEqualityWithInt(
         StatementsAnalyzer $statements_analyzer,
         string             $assertion,