diff --git a/Slim/Middleware/BodyParsingMiddleware.php b/Slim/Middleware/BodyParsingMiddleware.php
index 1a121430d..823c24971 100644
--- a/Slim/Middleware/BodyParsingMiddleware.php
+++ b/Slim/Middleware/BodyParsingMiddleware.php
@@ -181,7 +181,7 @@ protected function getMediaType(ServerRequestInterface $request): ?string
     {
         $contentType = $request->getHeader('Content-Type')[0] ?? null;
 
-        if (is_string($contentType) && trim($contentType) != '') {
+        if (is_string($contentType) && trim($contentType) !== '') {
             $contentTypeParts = explode(';', $contentType);
             return strtolower(trim($contentTypeParts[0]));
         }