diff --git a/tests/PSR7/Validators/BodyValidator/MultipartValidatorTest.php b/tests/PSR7/Validators/BodyValidator/MultipartValidatorTest.php
index 51049ec6..7f47e4a2 100644
--- a/tests/PSR7/Validators/BodyValidator/MultipartValidatorTest.php
+++ b/tests/PSR7/Validators/BodyValidator/MultipartValidatorTest.php
@@ -97,7 +97,7 @@ public function dataProviderMultipartGreen(): array
 some-type
 ------WebKitFormBoundaryWRBHApnEKYVLfiJ1
 Content-Disposition: form-data; name="files[0][file]"; filename="image1.png"
-Content-Type: application/octet-steam
+Content-Type: application/octet-stream
 
 {...file content...}
 ------WebKitFormBoundaryWRBHApnEKYVLfiJ1--