diff --git a/rules-tests/CodeQuality/Rector/MethodCall/AssertEqualsToSameRector/Fixture/skip_loose_compare_nullable.php.inc b/rules-tests/CodeQuality/Rector/MethodCall/AssertEqualsToSameRector/Fixture/skip_loose_compare_nullable.php.inc
new file mode 100644
index 00000000..b9d641de
--- /dev/null
+++ b/rules-tests/CodeQuality/Rector/MethodCall/AssertEqualsToSameRector/Fixture/skip_loose_compare_nullable.php.inc
@@ -0,0 +1,18 @@
+<?php
+
+namespace Rector\PHPUnit\Tests\CodeQuality\Rector\MethodCall\AssertEqualsToSameRector\Fixture;
+
+use PHPUnit\Framework\TestCase;
+
+final class SkipLooseCompareNullable extends TestCase
+{
+    public function test()
+    {
+        $this->assertEquals(1.0, $this->get());
+    }
+
+    private function get(): ?int
+    {
+        return 1;
+    }
+}
diff --git a/rules/CodeQuality/Rector/MethodCall/AssertEqualsToSameRector.php b/rules/CodeQuality/Rector/MethodCall/AssertEqualsToSameRector.php
index a92eca87..3986061f 100644
--- a/rules/CodeQuality/Rector/MethodCall/AssertEqualsToSameRector.php
+++ b/rules/CodeQuality/Rector/MethodCall/AssertEqualsToSameRector.php
@@ -18,6 +18,7 @@
 use PHPStan\Type\MixedType;
 use PHPStan\Type\StringType;
 use PHPStan\Type\Type;
+use PHPStan\Type\TypeCombinator;
 use Rector\PHPUnit\NodeAnalyzer\IdentifierManipulator;
 use Rector\PHPUnit\NodeAnalyzer\TestsNodeAnalyzer;
 use Rector\Rector\AbstractRector;
@@ -102,7 +103,7 @@ public function refactor(Node $node): ?Node
 
         if ($this->isName($node->name, 'assertEquals')) {
             $firstArgType = $this->nodeTypeResolver->getNativeType($args[0]->value);
-            $secondArgType = $this->nodeTypeResolver->getNativeType($args[1]->value);
+            $secondArgType = TypeCombinator::removeNull($this->nodeTypeResolver->getNativeType($args[1]->value));
 
             // loose comparison
             if ($firstArgType instanceof IntegerType && ($secondArgType instanceof FloatType || $secondArgType instanceof MixedType)) {