diff --git a/src/Type/WebMozartAssert/AssertTypeSpecifyingExtension.php b/src/Type/WebMozartAssert/AssertTypeSpecifyingExtension.php
index abd5da9..7b1ae3f 100644
--- a/src/Type/WebMozartAssert/AssertTypeSpecifyingExtension.php
+++ b/src/Type/WebMozartAssert/AssertTypeSpecifyingExtension.php
@@ -441,7 +441,7 @@ private function arrayOrIterable(
 		\Closure $typeCallback
 	): SpecifiedTypes
 	{
-		$currentType = $scope->getType($expr);
+		$currentType = TypeCombinator::intersect($scope->getType($expr), new IterableType(new MixedType(), new MixedType()));
 		$arrayTypes = TypeUtils::getArrays($currentType);
 		if (count($arrayTypes) > 0) {
 			$newArrayTypes = [];
diff --git a/tests/Type/WebMozartAssert/AssertTypeSpecifyingExtensionTest.php b/tests/Type/WebMozartAssert/AssertTypeSpecifyingExtensionTest.php
index 4e1d3b3..8a4fd36 100644
--- a/tests/Type/WebMozartAssert/AssertTypeSpecifyingExtensionTest.php
+++ b/tests/Type/WebMozartAssert/AssertTypeSpecifyingExtensionTest.php
@@ -172,6 +172,10 @@ public function testExtension(): void
 				'Variable $ag is: class-string',
 				134,
 			],
+			[
+				'Variable $ah is: array<stdClass>',
+				141,
+			],
 		]);
 	}
 
diff --git a/tests/Type/WebMozartAssert/data/data.php b/tests/Type/WebMozartAssert/data/data.php
index 8f51d17..d611008 100644
--- a/tests/Type/WebMozartAssert/data/data.php
+++ b/tests/Type/WebMozartAssert/data/data.php
@@ -7,7 +7,7 @@
 class Foo
 {
 
-	public function doFoo($a, $b, array $c, iterable $d, $e, $f, $g, $h, $i, $j, $k, $l, $m, $n, $o, $p, $r, $s, ?int $t, ?int $u, $x, $aa, array $ab, $ac, $ad, $ae, $af, $ag)
+	public function doFoo($a, $b, array $c, iterable $d, $e, $f, $g, $h, $i, $j, $k, $l, $m, $n, $o, $p, $r, $s, ?int $t, ?int $u, $x, $aa, array $ab, $ac, $ad, $ae, $af, $ag, array $ah)
 	{
 		$a;
 
@@ -132,6 +132,13 @@ public function doFoo($a, $b, array $c, iterable $d, $e, $f, $g, $h, $i, $j, $k,
 
 		Assert::classExists($ag);
 		$ag;
+
+		if (rand(0, 1)) {
+			$ah = false;
+		}
+
+		Assert::allIsInstanceOf($ah, \stdClass::class);
+		$ah;
     }
 
 }