diff --git a/src/Psalm/Internal/Type/Comparator/ObjectComparator.php b/src/Psalm/Internal/Type/Comparator/ObjectComparator.php
index a0a15900294..3ab8cd0b0e2 100644
--- a/src/Psalm/Internal/Type/Comparator/ObjectComparator.php
+++ b/src/Psalm/Internal/Type/Comparator/ObjectComparator.php
@@ -62,7 +62,7 @@ public static function isShallowlyContainedBy(
             foreach ($intersection_input_types as $input_type_key => $intersection_input_type) {
                 if ($allow_interface_equality
                     && $container_type_is_interface
-                    && !isset($intersection_container_types[$input_type_key])
+                    && isset($intersection_container_types[$input_type_key])
                 ) {
                     $any_inputs_contained = true;
                 } elseif (self::isIntersectionShallowlyContainedBy(