diff --git a/src/Analyser/NodeScopeResolver.php b/src/Analyser/NodeScopeResolver.php
index 9ffade9f9c..b51c0c0236 100644
--- a/src/Analyser/NodeScopeResolver.php
+++ b/src/Analyser/NodeScopeResolver.php
@@ -2354,7 +2354,7 @@ static function (): void {
 				$functionReflection !== null
 				&& in_array($functionReflection->getName(), ['fopen', 'file_get_contents'], true)
 			) {
-				$scope = $scope->assignVariable('http_response_header', new ArrayType(new IntegerType(), new StringType()), new ArrayType(new IntegerType(), new StringType()));
+				$scope = $scope->assignVariable('http_response_header', AccessoryArrayListType::intersectWith(new ArrayType(new IntegerType(), new StringType())), new ArrayType(new IntegerType(), new StringType()));
 			}
 
 			if (
diff --git a/tests/PHPStan/Analyser/NodeScopeResolverTest.php b/tests/PHPStan/Analyser/NodeScopeResolverTest.php
index ef657dc012..b22631d986 100644
--- a/tests/PHPStan/Analyser/NodeScopeResolverTest.php
+++ b/tests/PHPStan/Analyser/NodeScopeResolverTest.php
@@ -1441,6 +1441,7 @@ public function dataFileAsserts(): iterable
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/preserve-large-constant-array.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/bug-9397.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/bug-10080.php');
+		yield from $this->gatherAssertTypes(__DIR__ . '/data/http-response-header.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/impure-error-log.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/falsy-isset.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/falsey-coalesce.php');
diff --git a/tests/PHPStan/Analyser/data/http-response-header.php b/tests/PHPStan/Analyser/data/http-response-header.php
new file mode 100644
index 0000000000..aa39899630
--- /dev/null
+++ b/tests/PHPStan/Analyser/data/http-response-header.php
@@ -0,0 +1,8 @@
+<?php
+
+use function PHPStan\Testing\assertType;
+use function PHPStan\Testing\assertNativeType;
+
+file_get_contents('https://example.org');
+assertType('list<string>', $http_response_header);
+assertNativeType('array<int, string>', $http_response_header);