diff --git a/src/Type/Symfony/InputBagDynamicReturnTypeExtension.php b/src/Type/Symfony/InputBagDynamicReturnTypeExtension.php
index f328ea86..b4875829 100644
--- a/src/Type/Symfony/InputBagDynamicReturnTypeExtension.php
+++ b/src/Type/Symfony/InputBagDynamicReturnTypeExtension.php
@@ -70,18 +70,11 @@ private function getAllTypeFromMethodCall(
 		MethodCall $methodCall
 	): Type
 	{
-		$types = [
-			new BooleanType(),
-			new FloatType(),
-			new IntegerType(),
-			new StringType(),
-		];
-		$oneParameterType = new UnionType($types);
 		if (isset($methodCall->getArgs()[0])) {
-			return new ArrayType(new MixedType(), $oneParameterType);
+			return new ArrayType(new MixedType(), new MixedType(true));
 		}
 
-		return new ArrayType(new StringType(), new UnionType([new ArrayType(new MixedType(), $oneParameterType), new BooleanType(), new FloatType(), new IntegerType(), new StringType()]));
+		return new ArrayType(new StringType(), new UnionType([new ArrayType(new MixedType(), new MixedType(true)), new BooleanType(), new FloatType(), new IntegerType(), new StringType()]));
 	}
 
 }
diff --git a/tests/Type/Symfony/data/input_bag.php b/tests/Type/Symfony/data/input_bag.php
index c99fe6b6..4c836c5f 100644
--- a/tests/Type/Symfony/data/input_bag.php
+++ b/tests/Type/Symfony/data/input_bag.php
@@ -8,5 +8,5 @@
 assertType('bool|float|int|string|null', $bag->get('foo', null));
 assertType('bool|float|int|string', $bag->get('foo', ''));
 assertType('bool|float|int|string', $bag->get('foo', 'baz'));
-assertType('array<string, array<bool|float|int|string>|bool|float|int|string>', $bag->all());
-assertType('array<bool|float|int|string>', $bag->all('bar'));
+assertType('array<string, array|bool|float|int|string>', $bag->all());
+assertType('array', $bag->all('bar'));