diff --git a/src/Analyser/ExprHandler/Helper/DefaultNarrowingHelper.php b/src/Analyser/ExprHandler/Helper/DefaultNarrowingHelper.php
index a0de3ba5e22..f762a308775 100644
--- a/src/Analyser/ExprHandler/Helper/DefaultNarrowingHelper.php
+++ b/src/Analyser/ExprHandler/Helper/DefaultNarrowingHelper.php
@@ -881,7 +881,7 @@ static function (string $parameterName) use ($argsMap, $getArgType): ?Type {
 					static function (Type $type, callable $traverse) use ($templateTypeMap, &$containsUnresolvedTemplate) {
 						if ($type instanceof TemplateType && $type->getScope()->getClassName() !== null) {
 							$resolvedType = $templateTypeMap->getType($type->getName());
-							if ($resolvedType === null || $type->getBound()->equals($resolvedType)) {
+							if ($resolvedType === null || ($type->getScope()->getFunctionName() === null && $type->getBound()->equals($resolvedType))) {
 								$containsUnresolvedTemplate = true;
 								return $type;
 							}
diff --git a/tests/PHPStan/Rules/Comparison/ImpossibleCheckTypeStaticMethodCallRuleTest.php b/tests/PHPStan/Rules/Comparison/ImpossibleCheckTypeStaticMethodCallRuleTest.php
index 1cf941dafd9..a8b9db7c3d7 100644
--- a/tests/PHPStan/Rules/Comparison/ImpossibleCheckTypeStaticMethodCallRuleTest.php
+++ b/tests/PHPStan/Rules/Comparison/ImpossibleCheckTypeStaticMethodCallRuleTest.php
@@ -143,6 +143,38 @@ public function testAssertUnresolvedGeneric(): void
 		$this->analyse([__DIR__ . '/data/assert-unresolved-generic.php'], []);
 	}
 
+	#[RequiresPhp('>= 8.0.0')]
+	public function testNoNamedArgumentsAssertIsAlwaysSatisfied(): void
+	{
+		$this->treatPhpDocTypesAsCertain = false;
+		$this->analyse([__DIR__ . '/data/no-named-arguments-assert.php'], [
+			[
+				'Call to static method NoNamedArgumentsAssert\QueryBuilder::validateVariadicParameter() with list<mixed> will always evaluate to true.',
+				14,
+			],
+			[
+				'Call to static method NoNamedArgumentsAssert\QueryBuilder::validateVariadicParameter() with list<string> will always evaluate to true.',
+				22,
+			],
+		]);
+	}
+
+	#[RequiresPhp('>= 8.0.0')]
+	public function testNoNamedArgumentsAssertIsAlwaysSatisfiedTreatPhpDocTypesAsCertain(): void
+	{
+		$this->treatPhpDocTypesAsCertain = true;
+		$this->analyse([__DIR__ . '/data/no-named-arguments-assert.php'], [
+			[
+				'Call to static method NoNamedArgumentsAssert\QueryBuilder::validateVariadicParameter() with list<mixed> will always evaluate to true.',
+				14,
+			],
+			[
+				'Call to static method NoNamedArgumentsAssert\QueryBuilder::validateVariadicParameter() with list<string> will always evaluate to true.',
+				22,
+			],
+		]);
+	}
+
 	public static function dataReportAlwaysTrueInLastCondition(): iterable
 	{
 		yield [false, [
diff --git a/tests/PHPStan/Rules/Comparison/data/no-named-arguments-assert.php b/tests/PHPStan/Rules/Comparison/data/no-named-arguments-assert.php
new file mode 100644
index 00000000000..1ea5d54ec8d
--- /dev/null
+++ b/tests/PHPStan/Rules/Comparison/data/no-named-arguments-assert.php
@@ -0,0 +1,39 @@
+<?php // lint >= 8.0
+declare(strict_types = 1);
+
+namespace NoNamedArgumentsAssert;
+
+final class QueryBuilder
+{
+
+	/**
+	 * @no-named-arguments
+	 */
+	public function select(mixed ...$select): void
+	{
+		self::validateVariadicParameter($select);
+	}
+
+	/**
+	 * @no-named-arguments
+	 */
+	public function groupBy(string ...$groupBy): void
+	{
+		self::validateVariadicParameter($groupBy);
+	}
+
+	/**
+	 * @template TItem
+	 * @param TItem[] $parameter
+	 * @phpstan-assert list<TItem> $parameter
+	 */
+	private static function validateVariadicParameter(array $parameter): void
+	{
+		if (array_is_list($parameter)) {
+			return;
+		}
+
+		throw new \InvalidArgumentException();
+	}
+
+}
diff --git a/turbo-ext/src/DefaultNarrowingHelper.cpp b/turbo-ext/src/DefaultNarrowingHelper.cpp
index 85bdbb3038e..30963b7bae8 100644
--- a/turbo-ext/src/DefaultNarrowingHelper.cpp
+++ b/turbo-ext/src/DefaultNarrowingHelper.cpp
@@ -2027,15 +2027,19 @@ class DefaultNarrowingHelper
 				if (UNEXPECTED(resolvedType.isUndef())) return;
 				bool unresolved = resolvedType.isNull();
 				if (!unresolved) {
-					zv::Val bound = pt_type_call(Z_OBJ_P(type), PT_LC("getbound"), 0, NULL);
-					if (UNEXPECTED(bound.isUndef())) return;
-					if (UNEXPECTED(Z_TYPE_P(bound.raw()) != IS_OBJECT)) {
-						(void) callOnNonObject("equals", bound.raw());
-						return;
+					zv::Val functionName = pt_type_call(Z_OBJ_P(templateScope.raw()), PT_LC("getfunctionname"), 0, NULL);
+					if (UNEXPECTED(functionName.isUndef())) return;
+					if (functionName.isNull()) {
+						zv::Val bound = pt_type_call(Z_OBJ_P(type), PT_LC("getbound"), 0, NULL);
+						if (UNEXPECTED(bound.isUndef())) return;
+						if (UNEXPECTED(Z_TYPE_P(bound.raw()) != IS_OBJECT)) {
+							(void) callOnNonObject("equals", bound.raw());
+							return;
+						}
+						zv::Val equals = pt_type_op(Z_OBJ_P(bound.raw()), PT_OP_EQUALS, 1, resolvedType.raw());
+						if (UNEXPECTED(equals.isUndef())) return;
+						unresolved = zend_is_true(equals.raw());
 					}
-					zv::Val equals = pt_type_op(Z_OBJ_P(bound.raw()), PT_OP_EQUALS, 1, resolvedType.raw());
-					if (UNEXPECTED(equals.isUndef())) return;
-					unresolved = zend_is_true(equals.raw());
 				}
 				if (unresolved) {
 					zval *target = containsUnresolvedTemplate;