diff --git a/src/Psalm/Internal/Type/Comparator/ObjectComparator.php b/src/Psalm/Internal/Type/Comparator/ObjectComparator.php
index 53d823a10..a0ae71166 100644
--- a/src/Psalm/Internal/Type/Comparator/ObjectComparator.php
+++ b/src/Psalm/Internal/Type/Comparator/ObjectComparator.php
@@ -239,7 +239,7 @@ class ObjectComparator
                     $input_type_is_interface = $codebase->interfaceExists($intersection_input_type_lower);
                     $container_type_is_interface = $codebase->interfaceExists($intersection_container_type_lower);
 
-                    if ($allow_interface_equality && $input_type_is_interface && $container_type_is_interface) {
+                    if ($allow_interface_equality && $container_type_is_interface) {
                         continue 2;
                     }
 
diff --git a/src/Psalm/Internal/Type/Comparator/UnionTypeComparator.php b/src/Psalm/Internal/Type/Comparator/UnionTypeComparator.php
index 9d777452c..8477e4823 100644
--- a/src/Psalm/Internal/Type/Comparator/UnionTypeComparator.php
+++ b/src/Psalm/Internal/Type/Comparator/UnionTypeComparator.php
@@ -428,7 +428,8 @@ class UnionTypeComparator
                     $type2_part,
                     true,
                     false,
-                    $first_comparison_result
+                    $first_comparison_result,
+                    true
                 )
                     && !$first_comparison_result->to_string_cast
                 ) || (AtomicTypeComparator::isContainedBy(
@@ -437,7 +438,8 @@ class UnionTypeComparator
                     $type1_part,
                     true,
                     false,
-                    $second_comparison_result
+                    $second_comparison_result,
+                    true
                 )
                     && !$second_comparison_result->to_string_cast
                 ) || ($first_comparison_result->type_coerced
diff --git a/tests/TypeReconciliation/ConditionalTest.php b/tests/TypeReconciliation/ConditionalTest.php
index e67f93feb..0a36b2535 100644
--- a/tests/TypeReconciliation/ConditionalTest.php
+++ b/tests/TypeReconciliation/ConditionalTest.php
@@ -2818,6 +2818,16 @@ class ConditionalTest extends \Psalm\Tests\TestCase
                         }
                     }'
             ],
+            'getClassInterfaceCanBeClass' => [
+                '<?php
+                    interface Id {}
+
+                    class A {
+                        public function is(Id $other): bool {
+                            return get_class($this) === get_class($other);
+                        }
+                    }'
+            ],
         ];
     }