diff --git a/src/Type/Symfony/HeaderBagDynamicReturnTypeExtension.php b/src/Type/Symfony/HeaderBagDynamicReturnTypeExtension.php
index 4450a063..42c6878a 100644
--- a/src/Type/Symfony/HeaderBagDynamicReturnTypeExtension.php
+++ b/src/Type/Symfony/HeaderBagDynamicReturnTypeExtension.php
@@ -39,13 +39,13 @@ public function getTypeFromMethodCall(
 		$isFalseType = (new ConstantBooleanType(false))->isSuperTypeOf($firstArgType);
 		$compareTypes = $isTrueType->compareTo($isFalseType);
 
-		$defaultArgType = isset($methodCall->args[1]) ? $scope->getType($methodCall->args[1]->value) : new NullType();
-
 		if ($compareTypes === $isTrueType) {
+			$defaultArgType = isset($methodCall->args[1]) ? $scope->getType($methodCall->args[1]->value) : new NullType();
+
 			return TypeCombinator::union($defaultArgType, new StringType());
 		}
 		if ($compareTypes === $isFalseType) {
-			return TypeCombinator::union($defaultArgType, new ArrayType(new IntegerType(), new StringType()));
+			return new ArrayType(new IntegerType(), new StringType());
 		}
 
 		return ParametersAcceptorSelector::selectSingle($methodReflection->getVariants())->getReturnType();
diff --git a/tests/Type/Symfony/HeaderBagDynamicReturnTypeExtensionTest.php b/tests/Type/Symfony/HeaderBagDynamicReturnTypeExtensionTest.php
index 67fb6199..084f4aca 100644
--- a/tests/Type/Symfony/HeaderBagDynamicReturnTypeExtensionTest.php
+++ b/tests/Type/Symfony/HeaderBagDynamicReturnTypeExtensionTest.php
@@ -25,13 +25,10 @@ public function getProvider(): Iterator
 		yield ['$test1', 'string|null'];
 		yield ['$test2', 'string|null'];
 		yield ['$test3', 'string'];
-		yield ['$test4', 'array<int, string>|string'];
 		yield ['$test5', 'string|null'];
 		yield ['$test6', 'string'];
-		yield ['$test7', 'array<int, string>|string'];
-		yield ['$test8', 'array<int, string>|null'];
-		yield ['$test9', 'array<int, string>|string'];
-		yield ['$test10', 'array<int, string>'];
+		yield ['$test8', 'array<int, string>'];
+		yield ['$test9', 'array<int, string>'];
 	}
 
 }
diff --git a/tests/Type/Symfony/header_bag_get.php b/tests/Type/Symfony/header_bag_get.php
index dd21d017..ed2d36aa 100644
--- a/tests/Type/Symfony/header_bag_get.php
+++ b/tests/Type/Symfony/header_bag_get.php
@@ -5,14 +5,11 @@
 $test1 = $bag->get('foo');
 $test2 = $bag->get('foo', null);
 $test3 = $bag->get('foo', 'baz');
-$test4 = $bag->get('foo', ['baz']);
 
 $test5 = $bag->get('foo', null, true);
 $test6 = $bag->get('foo', 'baz', true);
-$test7 = $bag->get('foo', ['baz'], true);
 
 $test8 = $bag->get('foo', null, false);
 $test9 = $bag->get('foo', 'baz', false);
-$test10 = $bag->get('foo', ['baz'], false);
 
 die;