diff --git a/src/Rules/PHPUnit/MockMethodCallRule.php b/src/Rules/PHPUnit/MockMethodCallRule.php
index 79da2d9..107b4ea 100644
--- a/src/Rules/PHPUnit/MockMethodCallRule.php
+++ b/src/Rules/PHPUnit/MockMethodCallRule.php
@@ -6,7 +6,6 @@
 use PhpParser\Node\Expr\MethodCall;
 use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Rule;
-use PHPStan\Type\IntersectionType;
 use PHPUnit\Framework\MockObject\Builder\InvocationMocker;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\MockObject\Stub;
@@ -51,8 +50,7 @@ public function processNode(Node $node, Scope $scope): array
 			$type = $scope->getType($node->var);
 
 			if (
-				$type instanceof IntersectionType
-				&& (
+				(
 					in_array(MockObject::class, $type->getObjectClassNames(), true)
 					|| in_array(Stub::class, $type->getObjectClassNames(), true)
 				)
diff --git a/src/Type/PHPUnit/MockObjectDynamicReturnTypeExtension.php b/src/Type/PHPUnit/MockObjectDynamicReturnTypeExtension.php
index 6db3a73..4f74fe6 100644
--- a/src/Type/PHPUnit/MockObjectDynamicReturnTypeExtension.php
+++ b/src/Type/PHPUnit/MockObjectDynamicReturnTypeExtension.php
@@ -7,7 +7,6 @@
 use PHPStan\Reflection\MethodReflection;
 use PHPStan\Type\DynamicMethodReturnTypeExtension;
 use PHPStan\Type\Generic\GenericObjectType;
-use PHPStan\Type\IntersectionType;
 use PHPStan\Type\ObjectType;
 use PHPStan\Type\Type;
 use PHPUnit\Framework\MockObject\Builder\InvocationMocker;
@@ -32,24 +31,15 @@ public function isMethodSupported(MethodReflection $methodReflection): bool
 	public function getTypeFromMethodCall(MethodReflection $methodReflection, MethodCall $methodCall, Scope $scope): Type
 	{
 		$type = $scope->getType($methodCall->var);
-		if (!($type instanceof IntersectionType)) {
-			return new ObjectType(InvocationMocker::class);
-		}
-
-		$mockClasses = array_values(array_filter($type->getTypes(), static function (Type $type): bool {
-			$classNames = $type->getObjectClassNames();
-			if (count($classNames) !== 1) {
-				return true;
-			}
-
-			return $classNames[0] !== MockObject::class;
+		$mockClasses = array_values(array_filter($type->getObjectClassNames(), static function (string $class): bool {
+			return $class !== MockObject::class;
 		}));
 
 		if (count($mockClasses) !== 1) {
 			return new ObjectType(InvocationMocker::class);
 		}
 
-		return new GenericObjectType(InvocationMocker::class, $mockClasses);
+		return new GenericObjectType(InvocationMocker::class, [new ObjectType($mockClasses[0])]);
 	}
 
 }